Home / 132,419.10-198,628.65-117,903.90

Finding the Fourth Proportional to 132,419.10, 198,628.65 and 117,903.90

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Solution

The fourth proportional to 132,419.10, 198,628.65 and 117,903.90 is: 176,855.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,419.10 : 198,628.65 = 117,903.90 : x
  2. Step 2: Convert to fraction form
    132,419.10/198,628.65 = 117,903.90/x
  3. Step 3: Cross multiply
    132,419.10x = 198,628.65 × 117,903.90
  4. Step 4: Simplify right side
    132,419.10x = 23,419,092,486.74
  5. Step 5: Solve for x
    x = 23,419,092,486.74/132,419.10
  6. Step 6: Final answer
    x = 176,855.85

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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.