Home / 141,366.76-195,081.78-77,704.36

Finding the Fourth Proportional to 141,366.76, 195,081.78 and 77,704.36

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Solution

The fourth proportional to 141,366.76, 195,081.78 and 77,704.36 is: 107,229.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,366.76 : 195,081.78 = 77,704.36 : x
  2. Step 2: Convert to fraction form
    141,366.76/195,081.78 = 77,704.36/x
  3. Step 3: Cross multiply
    141,366.76x = 195,081.78 × 77,704.36
  4. Step 4: Simplify right side
    141,366.76x = 15,158,704,862.56
  5. Step 5: Solve for x
    x = 15,158,704,862.56/141,366.76
  6. Step 6: Final answer
    x = 107,229.63

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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.