Home / 87,233.20-130,849.80-73,236.40

Finding the Fourth Proportional to 87,233.20, 130,849.80 and 73,236.40

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Solution

The fourth proportional to 87,233.20, 130,849.80 and 73,236.40 is: 109,854.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,233.20 : 130,849.80 = 73,236.40 : x
  2. Step 2: Convert to fraction form
    87,233.20/130,849.80 = 73,236.40/x
  3. Step 3: Cross multiply
    87,233.20x = 130,849.80 × 73,236.40
  4. Step 4: Simplify right side
    87,233.20x = 9,582,968,292.72
  5. Step 5: Solve for x
    x = 9,582,968,292.72/87,233.20
  6. Step 6: Final answer
    x = 109,854.60

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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.