Home / 272,743.11-409,138.34-83,246.15

Finding the Fourth Proportional to 272,743.11, 409,138.34 and 83,246.15

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Solution

The fourth proportional to 272,743.11, 409,138.34 and 83,246.15 is: 124,876.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,743.11 : 409,138.34 = 83,246.15 : x
  2. Step 2: Convert to fraction form
    272,743.11/409,138.34 = 83,246.15/x
  3. Step 3: Cross multiply
    272,743.11x = 409,138.34 × 83,246.15
  4. Step 4: Simplify right side
    272,743.11x = 34,059,189,160.47
  5. Step 5: Solve for x
    x = 34,059,189,160.47/272,743.11
  6. Step 6: Final answer
    x = 124,876.44

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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.