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Finding the Fourth Proportional to 92,501.38, 138,752.88 and 22,380.76

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Solution

The fourth proportional to 92,501.38, 138,752.88 and 22,380.76 is: 33,571.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,501.38 : 138,752.88 = 22,380.76 : x
  2. Step 2: Convert to fraction form
    92,501.38/138,752.88 = 22,380.76/x
  3. Step 3: Cross multiply
    92,501.38x = 138,752.88 × 22,380.76
  4. Step 4: Simplify right side
    92,501.38x = 3,105,394,906.59
  5. Step 5: Solve for x
    x = 3,105,394,906.59/92,501.38
  6. Step 6: Final answer
    x = 33,571.34

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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.