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Finding the Fourth Proportional to 117,710.10, 176,411.55 and 54,522.90

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Solution

The fourth proportional to 117,710.10, 176,411.55 and 54,522.90 is: 81,713.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,710.10 : 176,411.55 = 54,522.90 : x
  2. Step 2: Convert to fraction form
    117,710.10/176,411.55 = 54,522.90/x
  3. Step 3: Cross multiply
    117,710.10x = 176,411.55 × 54,522.90
  4. Step 4: Simplify right side
    117,710.10x = 9,618,469,299.50
  5. Step 5: Solve for x
    x = 9,618,469,299.50/117,710.10
  6. Step 6: Final answer
    x = 81,713.20

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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.