Home / 132,331.56-198,476.50-109,985.72

Finding the Fourth Proportional to 132,331.56, 198,476.50 and 109,985.72

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Solution

The fourth proportional to 132,331.56, 198,476.50 and 109,985.72 is: 164,961.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,331.56 : 198,476.50 = 109,985.72 : x
  2. Step 2: Convert to fraction form
    132,331.56/198,476.50 = 109,985.72/x
  3. Step 3: Cross multiply
    132,331.56x = 198,476.50 × 109,985.72
  4. Step 4: Simplify right side
    132,331.56x = 21,829,580,755.58
  5. Step 5: Solve for x
    x = 21,829,580,755.58/132,331.56
  6. Step 6: Final answer
    x = 164,961.26

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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.