Home / 87,325.56-131,099.04-72,713.16

Finding the Fourth Proportional to 87,325.56, 131,099.04 and 72,713.16

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Solution

The fourth proportional to 87,325.56, 131,099.04 and 72,713.16 is: 109,161.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,325.56 : 131,099.04 = 72,713.16 : x
  2. Step 2: Convert to fraction form
    87,325.56/131,099.04 = 72,713.16/x
  3. Step 3: Cross multiply
    87,325.56x = 131,099.04 × 72,713.16
  4. Step 4: Simplify right side
    87,325.56x = 9,532,625,471.37
  5. Step 5: Solve for x
    x = 9,532,625,471.37/87,325.56
  6. Step 6: Final answer
    x = 109,161.92

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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.