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Finding the Fourth Proportional to 173,254.50, 239,091.22 and 93,766.50

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Solution

The fourth proportional to 173,254.50, 239,091.22 and 93,766.50 is: 129,397.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,254.50 : 239,091.22 = 93,766.50 : x
  2. Step 2: Convert to fraction form
    173,254.50/239,091.22 = 93,766.50/x
  3. Step 3: Cross multiply
    173,254.50x = 239,091.22 × 93,766.50
  4. Step 4: Simplify right side
    173,254.50x = 22,418,746,880.13
  5. Step 5: Solve for x
    x = 22,418,746,880.13/173,254.50
  6. Step 6: Final answer
    x = 129,397.78

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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.