Home / 87,329.59-130,994.37-28,165.25

Finding the Fourth Proportional to 87,329.59, 130,994.37 and 28,165.25

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Solution

The fourth proportional to 87,329.59, 130,994.37 and 28,165.25 is: 42,247.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,329.59 : 130,994.37 = 28,165.25 : x
  2. Step 2: Convert to fraction form
    87,329.59/130,994.37 = 28,165.25/x
  3. Step 3: Cross multiply
    87,329.59x = 130,994.37 × 28,165.25
  4. Step 4: Simplify right side
    87,329.59x = 3,689,489,507.13
  5. Step 5: Solve for x
    x = 3,689,489,507.13/87,329.59
  6. Step 6: Final answer
    x = 42,247.88

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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.