Home / 186,319.08-279,483.21-67,990.41

Finding the Fourth Proportional to 186,319.08, 279,483.21 and 67,990.41

Calculator

Solution

The fourth proportional to 186,319.08, 279,483.21 and 67,990.41 is: 101,987.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,319.08 : 279,483.21 = 67,990.41 : x
  2. Step 2: Convert to fraction form
    186,319.08/279,483.21 = 67,990.41/x
  3. Step 3: Cross multiply
    186,319.08x = 279,483.21 × 67,990.41
  4. Step 4: Simplify right side
    186,319.08x = 19,002,178,036.02
  5. Step 5: Solve for x
    x = 19,002,178,036.02/186,319.08
  6. Step 6: Final answer
    x = 101,987.29

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.