Home / 124,914.15-172,377.99-68,321.88

Finding the Fourth Proportional to 124,914.15, 172,377.99 and 68,321.88

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Solution

The fourth proportional to 124,914.15, 172,377.99 and 68,321.88 is: 94,282.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,914.15 : 172,377.99 = 68,321.88 : x
  2. Step 2: Convert to fraction form
    124,914.15/172,377.99 = 68,321.88/x
  3. Step 3: Cross multiply
    124,914.15x = 172,377.99 × 68,321.88
  4. Step 4: Simplify right side
    124,914.15x = 11,777,188,347.42
  5. Step 5: Solve for x
    x = 11,777,188,347.42/124,914.15
  6. Step 6: Final answer
    x = 94,282.26

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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.