Home / 125,514.94-173,167.32-80,219.44

Finding the Fourth Proportional to 125,514.94, 173,167.32 and 80,219.44

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Solution

The fourth proportional to 125,514.94, 173,167.32 and 80,219.44 is: 110,675.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,514.94 : 173,167.32 = 80,219.44 : x
  2. Step 2: Convert to fraction form
    125,514.94/173,167.32 = 80,219.44/x
  3. Step 3: Cross multiply
    125,514.94x = 173,167.32 × 80,219.44
  4. Step 4: Simplify right side
    125,514.94x = 13,891,385,003.78
  5. Step 5: Solve for x
    x = 13,891,385,003.78/125,514.94
  6. Step 6: Final answer
    x = 110,675.15

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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.