Home / 87,332.04-130,998.03-28,167.69

Finding the Fourth Proportional to 87,332.04, 130,998.03 and 28,167.69

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Solution

The fourth proportional to 87,332.04, 130,998.03 and 28,167.69 is: 42,251.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,332.04 : 130,998.03 = 28,167.69 : x
  2. Step 2: Convert to fraction form
    87,332.04/130,998.03 = 28,167.69/x
  3. Step 3: Cross multiply
    87,332.04x = 130,998.03 × 28,167.69
  4. Step 4: Simplify right side
    87,332.04x = 3,689,911,899.65
  5. Step 5: Solve for x
    x = 3,689,911,899.65/87,332.04
  6. Step 6: Final answer
    x = 42,251.53

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1.5x scale

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.