Home / 124,948.20-172,428.30-68,359.44

Finding the Fourth Proportional to 124,948.20, 172,428.30 and 68,359.44

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Solution

The fourth proportional to 124,948.20, 172,428.30 and 68,359.44 is: 94,335.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,948.20 : 172,428.30 = 68,359.44 : x
  2. Step 2: Convert to fraction form
    124,948.20/172,428.30 = 68,359.44/x
  3. Step 3: Cross multiply
    124,948.20x = 172,428.30 × 68,359.44
  4. Step 4: Simplify right side
    124,948.20x = 11,787,102,028.15
  5. Step 5: Solve for x
    x = 11,787,102,028.15/124,948.20
  6. Step 6: Final answer
    x = 94,335.91

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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.