Home / 87,330.04-130,995.04-28,165.70

Finding the Fourth Proportional to 87,330.04, 130,995.04 and 28,165.70

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Solution

The fourth proportional to 87,330.04, 130,995.04 and 28,165.70 is: 42,248.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,330.04 : 130,995.04 = 28,165.70 : x
  2. Step 2: Convert to fraction form
    87,330.04/130,995.04 = 28,165.70/x
  3. Step 3: Cross multiply
    87,330.04x = 130,995.04 × 28,165.70
  4. Step 4: Simplify right side
    87,330.04x = 3,689,566,998.13
  5. Step 5: Solve for x
    x = 3,689,566,998.13/87,330.04
  6. Step 6: Final answer
    x = 42,248.54

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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.