Home / 87,256.26-130,626.04-53,868.97

Finding the Fourth Proportional to 87,256.26, 130,626.04 and 53,868.97

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Solution

The fourth proportional to 87,256.26, 130,626.04 and 53,868.97 is: 80,643.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,256.26 : 130,626.04 = 53,868.97 : x
  2. Step 2: Convert to fraction form
    87,256.26/130,626.04 = 53,868.97/x
  3. Step 3: Cross multiply
    87,256.26x = 130,626.04 × 53,868.97
  4. Step 4: Simplify right side
    87,256.26x = 7,036,690,229.98
  5. Step 5: Solve for x
    x = 7,036,690,229.98/87,256.26
  6. Step 6: Final answer
    x = 80,643.96

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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.