Home / 141,418.83-195,158.72-77,760.73

Finding the Fourth Proportional to 141,418.83, 195,158.72 and 77,760.73

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Solution

The fourth proportional to 141,418.83, 195,158.72 and 77,760.73 is: 107,310.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,418.83 : 195,158.72 = 77,760.73 : x
  2. Step 2: Convert to fraction form
    141,418.83/195,158.72 = 77,760.73/x
  3. Step 3: Cross multiply
    141,418.83x = 195,158.72 × 77,760.73
  4. Step 4: Simplify right side
    141,418.83x = 15,175,684,533.07
  5. Step 5: Solve for x
    x = 15,175,684,533.07/141,418.83
  6. Step 6: Final answer
    x = 107,310.21

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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.