Home / 141,701.13-195,545.97-78,037.56

Finding the Fourth Proportional to 141,701.13, 195,545.97 and 78,037.56

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Solution

The fourth proportional to 141,701.13, 195,545.97 and 78,037.56 is: 107,690.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,701.13 : 195,545.97 = 78,037.56 : x
  2. Step 2: Convert to fraction form
    141,701.13/195,545.97 = 78,037.56/x
  3. Step 3: Cross multiply
    141,701.13x = 195,545.97 × 78,037.56
  4. Step 4: Simplify right side
    141,701.13x = 15,259,930,366.63
  5. Step 5: Solve for x
    x = 15,259,930,366.63/141,701.13
  6. Step 6: Final answer
    x = 107,690.96

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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.