Home / 272,680.12-409,206.98-95,187.10

Finding the Fourth Proportional to 272,680.12, 409,206.98 and 95,187.10

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Solution

The fourth proportional to 272,680.12, 409,206.98 and 95,187.10 is: 142,845.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,680.12 : 409,206.98 = 95,187.10 : x
  2. Step 2: Convert to fraction form
    272,680.12/409,206.98 = 95,187.10/x
  3. Step 3: Cross multiply
    272,680.12x = 409,206.98 × 95,187.10
  4. Step 4: Simplify right side
    272,680.12x = 38,951,223,679.92
  5. Step 5: Solve for x
    x = 38,951,223,679.92/272,680.12
  6. Step 6: Final answer
    x = 142,845.85

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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.