Home / 87,225.26-130,754.85-28,019.42

Finding the Fourth Proportional to 87,225.26, 130,754.85 and 28,019.42

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Solution

The fourth proportional to 87,225.26, 130,754.85 and 28,019.42 is: 42,002.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,225.26 : 130,754.85 = 28,019.42 : x
  2. Step 2: Convert to fraction form
    87,225.26/130,754.85 = 28,019.42/x
  3. Step 3: Cross multiply
    87,225.26x = 130,754.85 × 28,019.42
  4. Step 4: Simplify right side
    87,225.26x = 3,663,675,059.19
  5. Step 5: Solve for x
    x = 3,663,675,059.19/87,225.26
  6. Step 6: Final answer
    x = 42,002.46

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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.