Home / 141,424.26-195,170.49-77,766.90

Finding the Fourth Proportional to 141,424.26, 195,170.49 and 77,766.90

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Solution

The fourth proportional to 141,424.26, 195,170.49 and 77,766.90 is: 107,321.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,424.26 : 195,170.49 = 77,766.90 : x
  2. Step 2: Convert to fraction form
    141,424.26/195,170.49 = 77,766.90/x
  3. Step 3: Cross multiply
    141,424.26x = 195,170.49 × 77,766.90
  4. Step 4: Simplify right side
    141,424.26x = 15,177,803,978.78
  5. Step 5: Solve for x
    x = 15,177,803,978.78/141,424.26
  6. Step 6: Final answer
    x = 107,321.08

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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.