Home / 224,517.45-309,887.30-129,079.59

Finding the Fourth Proportional to 224,517.45, 309,887.30 and 129,079.59

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Solution

The fourth proportional to 224,517.45, 309,887.30 and 129,079.59 is: 178,160.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,517.45 : 309,887.30 = 129,079.59 : x
  2. Step 2: Convert to fraction form
    224,517.45/309,887.30 = 129,079.59/x
  3. Step 3: Cross multiply
    224,517.45x = 309,887.30 × 129,079.59
  4. Step 4: Simplify right side
    224,517.45x = 40,000,124,984.81
  5. Step 5: Solve for x
    x = 40,000,124,984.81/224,517.45
  6. Step 6: Final answer
    x = 178,160.43

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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.