Home / 141,916.30-195,834.47-78,252.73

Finding the Fourth Proportional to 141,916.30, 195,834.47 and 78,252.73

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Solution

The fourth proportional to 141,916.30, 195,834.47 and 78,252.73 is: 107,983.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,916.30 : 195,834.47 = 78,252.73 : x
  2. Step 2: Convert to fraction form
    141,916.30/195,834.47 = 78,252.73/x
  3. Step 3: Cross multiply
    141,916.30x = 195,834.47 × 78,252.73
  4. Step 4: Simplify right side
    141,916.30x = 15,324,580,926.43
  5. Step 5: Solve for x
    x = 15,324,580,926.43/141,916.30
  6. Step 6: Final answer
    x = 107,983.24

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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.