Home / 141,691.29-195,535.26-78,029.34

Finding the Fourth Proportional to 141,691.29, 195,535.26 and 78,029.34

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Solution

The fourth proportional to 141,691.29, 195,535.26 and 78,029.34 is: 107,681.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,691.29 : 195,535.26 = 78,029.34 : x
  2. Step 2: Convert to fraction form
    141,691.29/195,535.26 = 78,029.34/x
  3. Step 3: Cross multiply
    141,691.29x = 195,535.26 × 78,029.34
  4. Step 4: Simplify right side
    141,691.29x = 15,257,487,284.53
  5. Step 5: Solve for x
    x = 15,257,487,284.53/141,691.29
  6. Step 6: Final answer
    x = 107,681.19

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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.