Home / 141,521.52-195,294.96-77,858.76

Finding the Fourth Proportional to 141,521.52, 195,294.96 and 77,858.76

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Solution

The fourth proportional to 141,521.52, 195,294.96 and 77,858.76 is: 107,442.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,521.52 : 195,294.96 = 77,858.76 : x
  2. Step 2: Convert to fraction form
    141,521.52/195,294.96 = 77,858.76/x
  3. Step 3: Cross multiply
    141,521.52x = 195,294.96 × 77,858.76
  4. Step 4: Simplify right side
    141,521.52x = 15,205,423,419.85
  5. Step 5: Solve for x
    x = 15,205,423,419.85/141,521.52
  6. Step 6: Final answer
    x = 107,442.48

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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.