Home / 155,220.20-232,635.50-66,369.24

Finding the Fourth Proportional to 155,220.20, 232,635.50 and 66,369.24

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Solution

The fourth proportional to 155,220.20, 232,635.50 and 66,369.24 is: 99,470.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,220.20 : 232,635.50 = 66,369.24 : x
  2. Step 2: Convert to fraction form
    155,220.20/232,635.50 = 66,369.24/x
  3. Step 3: Cross multiply
    155,220.20x = 232,635.50 × 66,369.24
  4. Step 4: Simplify right side
    155,220.20x = 15,439,841,332.02
  5. Step 5: Solve for x
    x = 15,439,841,332.02/155,220.20
  6. Step 6: Final answer
    x = 99,470.57

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1.5x scale

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.