Home / 125,738.68-173,488.88-79,781.52

Finding the Fourth Proportional to 125,738.68, 173,488.88 and 79,781.52

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Solution

The fourth proportional to 125,738.68, 173,488.88 and 79,781.52 is: 110,079.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,738.68 : 173,488.88 = 79,781.52 : x
  2. Step 2: Convert to fraction form
    125,738.68/173,488.88 = 79,781.52/x
  3. Step 3: Cross multiply
    125,738.68x = 173,488.88 × 79,781.52
  4. Step 4: Simplify right side
    125,738.68x = 13,841,206,549.50
  5. Step 5: Solve for x
    x = 13,841,206,549.50/125,738.68
  6. Step 6: Final answer
    x = 110,079.15

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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.