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Finding the Fourth Proportional to 88,902.97, 133,354.56 and 36,312.46

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Solution

The fourth proportional to 88,902.97, 133,354.56 and 36,312.46 is: 54,468.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,902.97 : 133,354.56 = 36,312.46 : x
  2. Step 2: Convert to fraction form
    88,902.97/133,354.56 = 36,312.46/x
  3. Step 3: Cross multiply
    88,902.97x = 133,354.56 × 36,312.46
  4. Step 4: Simplify right side
    88,902.97x = 4,842,432,125.82
  5. Step 5: Solve for x
    x = 4,842,432,125.82/88,902.97
  6. Step 6: Final answer
    x = 54,468.73

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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.