Home / 90,889.92-136,397.17-31,725.59

Finding the Fourth Proportional to 90,889.92, 136,397.17 and 31,725.59

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Solution

The fourth proportional to 90,889.92, 136,397.17 and 31,725.59 is: 47,610.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,889.92 : 136,397.17 = 31,725.59 : x
  2. Step 2: Convert to fraction form
    90,889.92/136,397.17 = 31,725.59/x
  3. Step 3: Cross multiply
    90,889.92x = 136,397.17 × 31,725.59
  4. Step 4: Simplify right side
    90,889.92x = 4,327,280,192.96
  5. Step 5: Solve for x
    x = 4,327,280,192.96/90,889.92
  6. Step 6: Final answer
    x = 47,610.12

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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.