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Finding the Fourth Proportional to 92,244.56, 127,251 and 53,978.96

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Solution

The fourth proportional to 92,244.56, 127,251 and 53,978.96 is: 74,463.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,244.56 : 127,251 = 53,978.96 : x
  2. Step 2: Convert to fraction form
    92,244.56/127,251 = 53,978.96/x
  3. Step 3: Cross multiply
    92,244.56x = 127,251 × 53,978.96
  4. Step 4: Simplify right side
    92,244.56x = 6,868,876,638.96
  5. Step 5: Solve for x
    x = 6,868,876,638.96/92,244.56
  6. Step 6: Final answer
    x = 74,463.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.