Home / 180,876.73-271,278.15-68,518.21

Finding the Fourth Proportional to 180,876.73, 271,278.15 and 68,518.21

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Solution

The fourth proportional to 180,876.73, 271,278.15 and 68,518.21 is: 102,763.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,876.73 : 271,278.15 = 68,518.21 : x
  2. Step 2: Convert to fraction form
    180,876.73/271,278.15 = 68,518.21/x
  3. Step 3: Cross multiply
    180,876.73x = 271,278.15 × 68,518.21
  4. Step 4: Simplify right side
    180,876.73x = 18,587,493,250.11
  5. Step 5: Solve for x
    x = 18,587,493,250.11/180,876.73
  6. Step 6: Final answer
    x = 102,763.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.