Home / 87,098.16-130,660.23-30,933.55

Finding the Fourth Proportional to 87,098.16, 130,660.23 and 30,933.55

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Solution

The fourth proportional to 87,098.16, 130,660.23 and 30,933.55 is: 46,404.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,098.16 : 130,660.23 = 30,933.55 : x
  2. Step 2: Convert to fraction form
    87,098.16/130,660.23 = 30,933.55/x
  3. Step 3: Cross multiply
    87,098.16x = 130,660.23 × 30,933.55
  4. Step 4: Simplify right side
    87,098.16x = 4,041,784,805.04
  5. Step 5: Solve for x
    x = 4,041,784,805.04/87,098.16
  6. Step 6: Final answer
    x = 46,404.94

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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.