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Finding the Fourth Proportional to 117,705.60, 176,299.20 and 82,454.40

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Solution

The fourth proportional to 117,705.60, 176,299.20 and 82,454.40 is: 123,500.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,705.60 : 176,299.20 = 82,454.40 : x
  2. Step 2: Convert to fraction form
    117,705.60/176,299.20 = 82,454.40/x
  3. Step 3: Cross multiply
    117,705.60x = 176,299.20 × 82,454.40
  4. Step 4: Simplify right side
    117,705.60x = 14,536,644,756.48
  5. Step 5: Solve for x
    x = 14,536,644,756.48/117,705.60
  6. Step 6: Final answer
    x = 123,500.03

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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.