Home / 132,985.52-198,616.06-120,480.56

Finding the Fourth Proportional to 132,985.52, 198,616.06 and 120,480.56

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Solution

The fourth proportional to 132,985.52, 198,616.06 and 120,480.56 is: 179,939.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,985.52 : 198,616.06 = 120,480.56 : x
  2. Step 2: Convert to fraction form
    132,985.52/198,616.06 = 120,480.56/x
  3. Step 3: Cross multiply
    132,985.52x = 198,616.06 × 120,480.56
  4. Step 4: Simplify right side
    132,985.52x = 23,929,374,133.79
  5. Step 5: Solve for x
    x = 23,929,374,133.79/132,985.52
  6. Step 6: Final answer
    x = 179,939.70

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.