Home / 60,108.28-90,167.11-20,127.41

Finding the Fourth Proportional to 60,108.28, 90,167.11 and 20,127.41

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Solution

The fourth proportional to 60,108.28, 90,167.11 and 20,127.41 is: 30,192.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,108.28 : 90,167.11 = 20,127.41 : x
  2. Step 2: Convert to fraction form
    60,108.28/90,167.11 = 20,127.41/x
  3. Step 3: Cross multiply
    60,108.28x = 90,167.11 × 20,127.41
  4. Step 4: Simplify right side
    60,108.28x = 1,814,830,566.58
  5. Step 5: Solve for x
    x = 1,814,830,566.58/60,108.28
  6. Step 6: Final answer
    x = 30,192.69

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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.