Home / 124,819.36-172,250.48-68,230.73

Finding the Fourth Proportional to 124,819.36, 172,250.48 and 68,230.73

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Solution

The fourth proportional to 124,819.36, 172,250.48 and 68,230.73 is: 94,158.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,819.36 : 172,250.48 = 68,230.73 : x
  2. Step 2: Convert to fraction form
    124,819.36/172,250.48 = 68,230.73/x
  3. Step 3: Cross multiply
    124,819.36x = 172,250.48 × 68,230.73
  4. Step 4: Simplify right side
    124,819.36x = 11,752,775,652.10
  5. Step 5: Solve for x
    x = 11,752,775,652.10/124,819.36
  6. Step 6: Final answer
    x = 94,158.28

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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.