Home / 90,800.28-136,239.60-34,657.25

Finding the Fourth Proportional to 90,800.28, 136,239.60 and 34,657.25

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Solution

The fourth proportional to 90,800.28, 136,239.60 and 34,657.25 is: 52,000.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,800.28 : 136,239.60 = 34,657.25 : x
  2. Step 2: Convert to fraction form
    90,800.28/136,239.60 = 34,657.25/x
  3. Step 3: Cross multiply
    90,800.28x = 136,239.60 × 34,657.25
  4. Step 4: Simplify right side
    90,800.28x = 4,721,689,195.90
  5. Step 5: Solve for x
    x = 4,721,689,195.90/90,800.28
  6. Step 6: Final answer
    x = 52,000.82

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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.