Home / 124,751.26-172,154.72-68,161.42

Finding the Fourth Proportional to 124,751.26, 172,154.72 and 68,161.42

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Solution

The fourth proportional to 124,751.26, 172,154.72 and 68,161.42 is: 94,061.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,751.26 : 172,154.72 = 68,161.42 : x
  2. Step 2: Convert to fraction form
    124,751.26/172,154.72 = 68,161.42/x
  3. Step 3: Cross multiply
    124,751.26x = 172,154.72 × 68,161.42
  4. Step 4: Simplify right side
    124,751.26x = 11,734,310,174.90
  5. Step 5: Solve for x
    x = 11,734,310,174.90/124,751.26
  6. Step 6: Final answer
    x = 94,061.66

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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.