Home / 141,521.52-195,296.48-77,857.92

Finding the Fourth Proportional to 141,521.52, 195,296.48 and 77,857.92

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Solution

The fourth proportional to 141,521.52, 195,296.48 and 77,857.92 is: 107,442.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,521.52 : 195,296.48 = 77,857.92 : x
  2. Step 2: Convert to fraction form
    141,521.52/195,296.48 = 77,857.92/x
  3. Step 3: Cross multiply
    141,521.52x = 195,296.48 × 77,857.92
  4. Step 4: Simplify right side
    141,521.52x = 15,205,377,716.12
  5. Step 5: Solve for x
    x = 15,205,377,716.12/141,521.52
  6. Step 6: Final answer
    x = 107,442.16

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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.