Home / 87,374.25-131,028.08-31,203.87

Finding the Fourth Proportional to 87,374.25, 131,028.08 and 31,203.87

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Solution

The fourth proportional to 87,374.25, 131,028.08 and 31,203.87 is: 46,793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,374.25 : 131,028.08 = 31,203.87 : x
  2. Step 2: Convert to fraction form
    87,374.25/131,028.08 = 31,203.87/x
  3. Step 3: Cross multiply
    87,374.25x = 131,028.08 × 31,203.87
  4. Step 4: Simplify right side
    87,374.25x = 4,088,583,018.65
  5. Step 5: Solve for x
    x = 4,088,583,018.65/87,374.25
  6. Step 6: Final answer
    x = 46,793.91

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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.