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Finding the Fourth Proportional to 92,532.71, 138,798.60 and 22,412.02

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Solution

The fourth proportional to 92,532.71, 138,798.60 and 22,412.02 is: 33,617.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,532.71 : 138,798.60 = 22,412.02 : x
  2. Step 2: Convert to fraction form
    92,532.71/138,798.60 = 22,412.02/x
  3. Step 3: Cross multiply
    92,532.71x = 138,798.60 × 22,412.02
  4. Step 4: Simplify right side
    92,532.71x = 3,110,756,999.17
  5. Step 5: Solve for x
    x = 3,110,756,999.17/92,532.71
  6. Step 6: Final answer
    x = 33,617.92

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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.