Home / 87,532.47-131,184.48-40,130.46

Finding the Fourth Proportional to 87,532.47, 131,184.48 and 40,130.46

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Solution

The fourth proportional to 87,532.47, 131,184.48 and 40,130.46 is: 60,143.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,532.47 : 131,184.48 = 40,130.46 : x
  2. Step 2: Convert to fraction form
    87,532.47/131,184.48 = 40,130.46/x
  3. Step 3: Cross multiply
    87,532.47x = 131,184.48 × 40,130.46
  4. Step 4: Simplify right side
    87,532.47x = 5,264,493,527.26
  5. Step 5: Solve for x
    x = 5,264,493,527.26/87,532.47
  6. Step 6: Final answer
    x = 60,143.32

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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.