Home / 125,209.90-172,788.67-68,621.14

Finding the Fourth Proportional to 125,209.90, 172,788.67 and 68,621.14

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Solution

The fourth proportional to 125,209.90, 172,788.67 and 68,621.14 is: 94,696.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,209.90 : 172,788.67 = 68,621.14 : x
  2. Step 2: Convert to fraction form
    125,209.90/172,788.67 = 68,621.14/x
  3. Step 3: Cross multiply
    125,209.90x = 172,788.67 × 68,621.14
  4. Step 4: Simplify right side
    125,209.90x = 11,856,955,514.48
  5. Step 5: Solve for x
    x = 11,856,955,514.48/125,209.90
  6. Step 6: Final answer
    x = 94,696.63

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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.