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Finding the Fourth Proportional to 92,580.88, 138,872.10 and 22,460.80

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Solution

The fourth proportional to 92,580.88, 138,872.10 and 22,460.80 is: 33,691.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,580.88 : 138,872.10 = 22,460.80 : x
  2. Step 2: Convert to fraction form
    92,580.88/138,872.10 = 22,460.80/x
  3. Step 3: Cross multiply
    92,580.88x = 138,872.10 × 22,460.80
  4. Step 4: Simplify right side
    92,580.88x = 3,119,178,463.68
  5. Step 5: Solve for x
    x = 3,119,178,463.68/92,580.88
  6. Step 6: Final answer
    x = 33,691.39

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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.