Home / 87,233.10-130,849.65-73,236.30

Finding the Fourth Proportional to 87,233.10, 130,849.65 and 73,236.30

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Solution

The fourth proportional to 87,233.10, 130,849.65 and 73,236.30 is: 109,854.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,233.10 : 130,849.65 = 73,236.30 : x
  2. Step 2: Convert to fraction form
    87,233.10/130,849.65 = 73,236.30/x
  3. Step 3: Cross multiply
    87,233.10x = 130,849.65 × 73,236.30
  4. Step 4: Simplify right side
    87,233.10x = 9,582,944,222.30
  5. Step 5: Solve for x
    x = 9,582,944,222.30/87,233.10
  6. Step 6: Final answer
    x = 109,854.45

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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.