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Finding the Fourth Proportional to 92,001.60, 137,710.80 and 92,001.60

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Solution

The fourth proportional to 92,001.60, 137,710.80 and 92,001.60 is: 137,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,001.60 : 137,710.80 = 92,001.60 : x
  2. Step 2: Convert to fraction form
    92,001.60/137,710.80 = 92,001.60/x
  3. Step 3: Cross multiply
    92,001.60x = 137,710.80 × 92,001.60
  4. Step 4: Simplify right side
    92,001.60x = 12,669,613,937.28
  5. Step 5: Solve for x
    x = 12,669,613,937.28/92,001.60
  6. Step 6: Final answer
    x = 137,710.80

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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.