Home / 132,684.72-198,480.28-121,006.12

Finding the Fourth Proportional to 132,684.72, 198,480.28 and 121,006.12

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Solution

The fourth proportional to 132,684.72, 198,480.28 and 121,006.12 is: 181,010.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,684.72 : 198,480.28 = 121,006.12 : x
  2. Step 2: Convert to fraction form
    132,684.72/198,480.28 = 121,006.12/x
  3. Step 3: Cross multiply
    132,684.72x = 198,480.28 × 121,006.12
  4. Step 4: Simplify right side
    132,684.72x = 24,017,328,579.31
  5. Step 5: Solve for x
    x = 24,017,328,579.31/132,684.72
  6. Step 6: Final answer
    x = 181,010.51

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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.