Home / 124,818.75-172,250.49-68,230.13

Finding the Fourth Proportional to 124,818.75, 172,250.49 and 68,230.13

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Solution

The fourth proportional to 124,818.75, 172,250.49 and 68,230.13 is: 94,157.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,818.75 : 172,250.49 = 68,230.13 : x
  2. Step 2: Convert to fraction form
    124,818.75/172,250.49 = 68,230.13/x
  3. Step 3: Cross multiply
    124,818.75x = 172,250.49 × 68,230.13
  4. Step 4: Simplify right side
    124,818.75x = 11,752,672,464.01
  5. Step 5: Solve for x
    x = 11,752,672,464.01/124,818.75
  6. Step 6: Final answer
    x = 94,157.91

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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.