Home / 103,132.28-142,296-60,682.88

Finding the Fourth Proportional to 103,132.28, 142,296 and 60,682.88

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Solution

The fourth proportional to 103,132.28, 142,296 and 60,682.88 is: 83,726.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,132.28 : 142,296 = 60,682.88 : x
  2. Step 2: Convert to fraction form
    103,132.28/142,296 = 60,682.88/x
  3. Step 3: Cross multiply
    103,132.28x = 142,296 × 60,682.88
  4. Step 4: Simplify right side
    103,132.28x = 8,634,931,092.48
  5. Step 5: Solve for x
    x = 8,634,931,092.48/103,132.28
  6. Step 6: Final answer
    x = 83,726.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.