Home / 125,514.24-173,209.86-68,929.20

Finding the Fourth Proportional to 125,514.24, 173,209.86 and 68,929.20

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Solution

The fourth proportional to 125,514.24, 173,209.86 and 68,929.20 is: 95,122.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,514.24 : 173,209.86 = 68,929.20 : x
  2. Step 2: Convert to fraction form
    125,514.24/173,209.86 = 68,929.20/x
  3. Step 3: Cross multiply
    125,514.24x = 173,209.86 × 68,929.20
  4. Step 4: Simplify right side
    125,514.24x = 11,939,217,081.91
  5. Step 5: Solve for x
    x = 11,939,217,081.91/125,514.24
  6. Step 6: Final answer
    x = 95,122.41

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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.