Home / 111,902-154,424.76-64,171.13

Finding the Fourth Proportional to 111,902, 154,424.76 and 64,171.13

Calculator

Solution

The fourth proportional to 111,902, 154,424.76 and 64,171.13 is: 88,556.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,902 : 154,424.76 = 64,171.13 : x
  2. Step 2: Convert to fraction form
    111,902/154,424.76 = 64,171.13/x
  3. Step 3: Cross multiply
    111,902x = 154,424.76 × 64,171.13
  4. Step 4: Simplify right side
    111,902x = 9,909,611,349.18
  5. Step 5: Solve for x
    x = 9,909,611,349.18/111,902
  6. Step 6: Final answer
    x = 88,556.16

Related Problems

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.