Home / 124,805.73-172,233.21-68,217.12

Finding the Fourth Proportional to 124,805.73, 172,233.21 and 68,217.12

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Solution

The fourth proportional to 124,805.73, 172,233.21 and 68,217.12 is: 94,140.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,805.73 : 172,233.21 = 68,217.12 : x
  2. Step 2: Convert to fraction form
    124,805.73/172,233.21 = 68,217.12/x
  3. Step 3: Cross multiply
    124,805.73x = 172,233.21 × 68,217.12
  4. Step 4: Simplify right side
    124,805.73x = 11,749,253,554.56
  5. Step 5: Solve for x
    x = 11,749,253,554.56/124,805.73
  6. Step 6: Final answer
    x = 94,140.34

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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.