Home / 239,105.28-329,950.08-143,616

Finding the Fourth Proportional to 239,105.28, 329,950.08 and 143,616

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Solution

The fourth proportional to 239,105.28, 329,950.08 and 143,616 is: 198,180.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,105.28 : 329,950.08 = 143,616 : x
  2. Step 2: Convert to fraction form
    239,105.28/329,950.08 = 143,616/x
  3. Step 3: Cross multiply
    239,105.28x = 329,950.08 × 143,616
  4. Step 4: Simplify right side
    239,105.28x = 47,386,110,689.28
  5. Step 5: Solve for x
    x = 47,386,110,689.28/239,105.28
  6. Step 6: Final answer
    x = 198,180.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.