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Finding the Fourth Proportional to 173,220.12, 239,039.12 and 96,737.10

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Solution

The fourth proportional to 173,220.12, 239,039.12 and 96,737.10 is: 133,494.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,220.12 : 239,039.12 = 96,737.10 : x
  2. Step 2: Convert to fraction form
    173,220.12/239,039.12 = 96,737.10/x
  3. Step 3: Cross multiply
    173,220.12x = 239,039.12 × 96,737.10
  4. Step 4: Simplify right side
    173,220.12x = 23,123,951,255.35
  5. Step 5: Solve for x
    x = 23,123,951,255.35/173,220.12
  6. Step 6: Final answer
    x = 133,494.60

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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.