Home / 132,619.97-198,928-32,780.17

Finding the Fourth Proportional to 132,619.97, 198,928 and 32,780.17

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Solution

The fourth proportional to 132,619.97, 198,928 and 32,780.17 is: 49,169.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,619.97 : 198,928 = 32,780.17 : x
  2. Step 2: Convert to fraction form
    132,619.97/198,928 = 32,780.17/x
  3. Step 3: Cross multiply
    132,619.97x = 198,928 × 32,780.17
  4. Step 4: Simplify right side
    132,619.97x = 6,520,893,657.76
  5. Step 5: Solve for x
    x = 6,520,893,657.76/132,619.97
  6. Step 6: Final answer
    x = 49,169.77

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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.