Home / 141,250.13-211,702.97-78,067.70

Finding the Fourth Proportional to 141,250.13, 211,702.97 and 78,067.70

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Solution

The fourth proportional to 141,250.13, 211,702.97 and 78,067.70 is: 117,006.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,250.13 : 211,702.97 = 78,067.70 : x
  2. Step 2: Convert to fraction form
    141,250.13/211,702.97 = 78,067.70/x
  3. Step 3: Cross multiply
    141,250.13x = 211,702.97 × 78,067.70
  4. Step 4: Simplify right side
    141,250.13x = 16,527,163,442.48
  5. Step 5: Solve for x
    x = 16,527,163,442.48/141,250.13
  6. Step 6: Final answer
    x = 117,006.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.