Home / 141,545.40-195,331.92-77,882.94

Finding the Fourth Proportional to 141,545.40, 195,331.92 and 77,882.94

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Solution

The fourth proportional to 141,545.40, 195,331.92 and 77,882.94 is: 107,478.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,545.40 : 195,331.92 = 77,882.94 : x
  2. Step 2: Convert to fraction form
    141,545.40/195,331.92 = 77,882.94/x
  3. Step 3: Cross multiply
    141,545.40x = 195,331.92 × 77,882.94
  4. Step 4: Simplify right side
    141,545.40x = 15,213,024,205.44
  5. Step 5: Solve for x
    x = 15,213,024,205.44/141,545.40
  6. Step 6: Final answer
    x = 107,478.05

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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.