Home / 95,087.70-131,081.25-72,387.12

Finding the Fourth Proportional to 95,087.70, 131,081.25 and 72,387.12

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Solution

The fourth proportional to 95,087.70, 131,081.25 and 72,387.12 is: 99,787.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,087.70 : 131,081.25 = 72,387.12 : x
  2. Step 2: Convert to fraction form
    95,087.70/131,081.25 = 72,387.12/x
  3. Step 3: Cross multiply
    95,087.70x = 131,081.25 × 72,387.12
  4. Step 4: Simplify right side
    95,087.70x = 9,488,594,173.50
  5. Step 5: Solve for x
    x = 9,488,594,173.50/95,087.70
  6. Step 6: Final answer
    x = 99,787.82

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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.