Home / 93,442.32-128,967.12-55,719

Finding the Fourth Proportional to 93,442.32, 128,967.12 and 55,719

Calculator

Solution

The fourth proportional to 93,442.32, 128,967.12 and 55,719 is: 76,902.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,442.32 : 128,967.12 = 55,719 : x
  2. Step 2: Convert to fraction form
    93,442.32/128,967.12 = 55,719/x
  3. Step 3: Cross multiply
    93,442.32x = 128,967.12 × 55,719
  4. Step 4: Simplify right side
    93,442.32x = 7,185,918,959.28
  5. Step 5: Solve for x
    x = 7,185,918,959.28/93,442.32
  6. Step 6: Final answer
    x = 76,902.19

Related Problems

Find fourth proportional to 46,721.16, 64,483.56 and 27,859.50
Half scale
Find fourth proportional to 186,884.64, 257,934.24 and 111,438
Double scale
Find fourth proportional to 93,443.32, 128,968.50 and 55,720
Similar ratio
Find fourth proportional to 140,163.48, 193,450.68 and 83,578.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.