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Finding the Fourth Proportional to 92,497.27, 138,689.71 and 36,270.01

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Solution

The fourth proportional to 92,497.27, 138,689.71 and 36,270.01 is: 54,382.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,497.27 : 138,689.71 = 36,270.01 : x
  2. Step 2: Convert to fraction form
    92,497.27/138,689.71 = 36,270.01/x
  3. Step 3: Cross multiply
    92,497.27x = 138,689.71 × 36,270.01
  4. Step 4: Simplify right side
    92,497.27x = 5,030,276,293.80
  5. Step 5: Solve for x
    x = 5,030,276,293.80/92,497.27
  6. Step 6: Final answer
    x = 54,382.97

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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.