Home / 219,937.20-329,839.92-114,698.72

Finding the Fourth Proportional to 219,937.20, 329,839.92 and 114,698.72

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Solution

The fourth proportional to 219,937.20, 329,839.92 and 114,698.72 is: 172,013.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,937.20 : 329,839.92 = 114,698.72 : x
  2. Step 2: Convert to fraction form
    219,937.20/329,839.92 = 114,698.72/x
  3. Step 3: Cross multiply
    219,937.20x = 329,839.92 × 114,698.72
  4. Step 4: Simplify right side
    219,937.20x = 37,832,216,628.90
  5. Step 5: Solve for x
    x = 37,832,216,628.90/219,937.20
  6. Step 6: Final answer
    x = 172,013.72

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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.