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Finding the Fourth Proportional to 132,392.80, 198,589.20 and 117,877.60

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Solution

The fourth proportional to 132,392.80, 198,589.20 and 117,877.60 is: 176,816.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,392.80 : 198,589.20 = 117,877.60 : x
  2. Step 2: Convert to fraction form
    132,392.80/198,589.20 = 117,877.60/x
  3. Step 3: Cross multiply
    132,392.80x = 198,589.20 × 117,877.60
  4. Step 4: Simplify right side
    132,392.80x = 23,409,218,281.92
  5. Step 5: Solve for x
    x = 23,409,218,281.92/132,392.80
  6. Step 6: Final answer
    x = 176,816.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.