Home / 141,414.28-195,123.70-79,326.74

Finding the Fourth Proportional to 141,414.28, 195,123.70 and 79,326.74

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Solution

The fourth proportional to 141,414.28, 195,123.70 and 79,326.74 is: 109,455.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,414.28 : 195,123.70 = 79,326.74 : x
  2. Step 2: Convert to fraction form
    141,414.28/195,123.70 = 79,326.74/x
  3. Step 3: Cross multiply
    141,414.28x = 195,123.70 × 79,326.74
  4. Step 4: Simplify right side
    141,414.28x = 15,478,527,017.74
  5. Step 5: Solve for x
    x = 15,478,527,017.74/141,414.28
  6. Step 6: Final answer
    x = 109,455.19

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1.5x scale

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.