Home / 87,160.30-130,724.75-23,118.90

Finding the Fourth Proportional to 87,160.30, 130,724.75 and 23,118.90

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Solution

The fourth proportional to 87,160.30, 130,724.75 and 23,118.90 is: 34,674.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,160.30 : 130,724.75 = 23,118.90 : x
  2. Step 2: Convert to fraction form
    87,160.30/130,724.75 = 23,118.90/x
  3. Step 3: Cross multiply
    87,160.30x = 130,724.75 × 23,118.90
  4. Step 4: Simplify right side
    87,160.30x = 3,022,212,422.78
  5. Step 5: Solve for x
    x = 3,022,212,422.78/87,160.30
  6. Step 6: Final answer
    x = 34,674.19

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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.