Home / 103,342.20-142,575.48-67,552.86

Finding the Fourth Proportional to 103,342.20, 142,575.48 and 67,552.86

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Solution

The fourth proportional to 103,342.20, 142,575.48 and 67,552.86 is: 93,198.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,342.20 : 142,575.48 = 67,552.86 : x
  2. Step 2: Convert to fraction form
    103,342.20/142,575.48 = 67,552.86/x
  3. Step 3: Cross multiply
    103,342.20x = 142,575.48 × 67,552.86
  4. Step 4: Simplify right side
    103,342.20x = 9,631,381,439.87
  5. Step 5: Solve for x
    x = 9,631,381,439.87/103,342.20
  6. Step 6: Final answer
    x = 93,198.92

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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.