Home / 219,845.91-329,719.05-111,665.62

Finding the Fourth Proportional to 219,845.91, 329,719.05 and 111,665.62

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Solution

The fourth proportional to 219,845.91, 329,719.05 and 111,665.62 is: 167,473.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,845.91 : 329,719.05 = 111,665.62 : x
  2. Step 2: Convert to fraction form
    219,845.91/329,719.05 = 111,665.62/x
  3. Step 3: Cross multiply
    219,845.91x = 329,719.05 × 111,665.62
  4. Step 4: Simplify right side
    219,845.91x = 36,818,281,319.76
  5. Step 5: Solve for x
    x = 36,818,281,319.76/219,845.91
  6. Step 6: Final answer
    x = 167,473.12

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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.