Home / 141,925.14-195,863.85-78,262.74

Finding the Fourth Proportional to 141,925.14, 195,863.85 and 78,262.74

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Solution

The fourth proportional to 141,925.14, 195,863.85 and 78,262.74 is: 108,006.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,925.14 : 195,863.85 = 78,262.74 : x
  2. Step 2: Convert to fraction form
    141,925.14/195,863.85 = 78,262.74/x
  3. Step 3: Cross multiply
    141,925.14x = 195,863.85 × 78,262.74
  4. Step 4: Simplify right side
    141,925.14x = 15,328,841,567.95
  5. Step 5: Solve for x
    x = 15,328,841,567.95/141,925.14
  6. Step 6: Final answer
    x = 108,006.53

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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.