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Finding the Fourth Proportional to 117,915.20, 176,872.80 and 114,634.70

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Solution

The fourth proportional to 117,915.20, 176,872.80 and 114,634.70 is: 171,952.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,915.20 : 176,872.80 = 114,634.70 : x
  2. Step 2: Convert to fraction form
    117,915.20/176,872.80 = 114,634.70/x
  3. Step 3: Cross multiply
    117,915.20x = 176,872.80 × 114,634.70
  4. Step 4: Simplify right side
    117,915.20x = 20,275,760,366.16
  5. Step 5: Solve for x
    x = 20,275,760,366.16/117,915.20
  6. Step 6: Final answer
    x = 171,952.05

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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.