Home / 87,289.83-130,934.61-24,109.79

Finding the Fourth Proportional to 87,289.83, 130,934.61 and 24,109.79

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Solution

The fourth proportional to 87,289.83, 130,934.61 and 24,109.79 is: 36,164.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,289.83 : 130,934.61 = 24,109.79 : x
  2. Step 2: Convert to fraction form
    87,289.83/130,934.61 = 24,109.79/x
  3. Step 3: Cross multiply
    87,289.83x = 130,934.61 × 24,109.79
  4. Step 4: Simplify right side
    87,289.83x = 3,156,805,296.16
  5. Step 5: Solve for x
    x = 3,156,805,296.16/87,289.83
  6. Step 6: Final answer
    x = 36,164.64

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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.