Home / 274,109.12-411,319.20-108,013.76

Finding the Fourth Proportional to 274,109.12, 411,319.20 and 108,013.76

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Solution

The fourth proportional to 274,109.12, 411,319.20 and 108,013.76 is: 162,081.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,109.12 : 411,319.20 = 108,013.76 : x
  2. Step 2: Convert to fraction form
    274,109.12/411,319.20 = 108,013.76/x
  3. Step 3: Cross multiply
    274,109.12x = 411,319.20 × 108,013.76
  4. Step 4: Simplify right side
    274,109.12x = 44,428,133,352.19
  5. Step 5: Solve for x
    x = 44,428,133,352.19/274,109.12
  6. Step 6: Final answer
    x = 162,081.92

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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.