Home / 132,631.74-198,947.88-109,208.97

Finding the Fourth Proportional to 132,631.74, 198,947.88 and 109,208.97

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Solution

The fourth proportional to 132,631.74, 198,947.88 and 109,208.97 is: 163,813.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,631.74 : 198,947.88 = 109,208.97 : x
  2. Step 2: Convert to fraction form
    132,631.74/198,947.88 = 109,208.97/x
  3. Step 3: Cross multiply
    132,631.74x = 198,947.88 × 109,208.97
  4. Step 4: Simplify right side
    132,631.74x = 21,726,893,058.48
  5. Step 5: Solve for x
    x = 21,726,893,058.48/132,631.74
  6. Step 6: Final answer
    x = 163,813.68

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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.