Home / 40,142.59-60,180.99-15,168.43

Finding the Fourth Proportional to 40,142.59, 60,180.99 and 15,168.43

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Solution

The fourth proportional to 40,142.59, 60,180.99 and 15,168.43 is: 22,740.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,142.59 : 60,180.99 = 15,168.43 : x
  2. Step 2: Convert to fraction form
    40,142.59/60,180.99 = 15,168.43/x
  3. Step 3: Cross multiply
    40,142.59x = 60,180.99 × 15,168.43
  4. Step 4: Simplify right side
    40,142.59x = 912,851,134.15
  5. Step 5: Solve for x
    x = 912,851,134.15/40,142.59
  6. Step 6: Final answer
    x = 22,740.22

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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.