Home / 141,502.15-195,382.62-108,744.70

Finding the Fourth Proportional to 141,502.15, 195,382.62 and 108,744.70

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Solution

The fourth proportional to 141,502.15, 195,382.62 and 108,744.70 is: 150,151.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,502.15 : 195,382.62 = 108,744.70 : x
  2. Step 2: Convert to fraction form
    141,502.15/195,382.62 = 108,744.70/x
  3. Step 3: Cross multiply
    141,502.15x = 195,382.62 × 108,744.70
  4. Step 4: Simplify right side
    141,502.15x = 21,246,824,397.11
  5. Step 5: Solve for x
    x = 21,246,824,397.11/141,502.15
  6. Step 6: Final answer
    x = 150,151.95

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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.