Home / 90,753.10-136,129.57-27,572.96

Finding the Fourth Proportional to 90,753.10, 136,129.57 and 27,572.96

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Solution

The fourth proportional to 90,753.10, 136,129.57 and 27,572.96 is: 41,359.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,753.10 : 136,129.57 = 27,572.96 : x
  2. Step 2: Convert to fraction form
    90,753.10/136,129.57 = 27,572.96/x
  3. Step 3: Cross multiply
    90,753.10x = 136,129.57 × 27,572.96
  4. Step 4: Simplify right side
    90,753.10x = 3,753,495,459.82
  5. Step 5: Solve for x
    x = 3,753,495,459.82/90,753.10
  6. Step 6: Final answer
    x = 41,359.42

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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.