Home / 239,106.28-329,951.46-143,617

Finding the Fourth Proportional to 239,106.28, 329,951.46 and 143,617

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Solution

The fourth proportional to 239,106.28, 329,951.46 and 143,617 is: 198,182.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,106.28 : 329,951.46 = 143,617 : x
  2. Step 2: Convert to fraction form
    239,106.28/329,951.46 = 143,617/x
  3. Step 3: Cross multiply
    239,106.28x = 329,951.46 × 143,617
  4. Step 4: Simplify right side
    239,106.28x = 47,386,638,830.82
  5. Step 5: Solve for x
    x = 47,386,638,830.82/239,106.28
  6. Step 6: Final answer
    x = 198,182.33

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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.