Home / 87,875.84-131,507.44-71,896.16

Finding the Fourth Proportional to 87,875.84, 131,507.44 and 71,896.16

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Solution

The fourth proportional to 87,875.84, 131,507.44 and 71,896.16 is: 107,593.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,875.84 : 131,507.44 = 71,896.16 : x
  2. Step 2: Convert to fraction form
    87,875.84/131,507.44 = 71,896.16/x
  3. Step 3: Cross multiply
    87,875.84x = 131,507.44 × 71,896.16
  4. Step 4: Simplify right side
    87,875.84x = 9,454,879,947.43
  5. Step 5: Solve for x
    x = 9,454,879,947.43/87,875.84
  6. Step 6: Final answer
    x = 107,593.62

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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.