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Finding the Fourth Proportional to 117,880.72, 176,819.36 and 29,134.22

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Solution

The fourth proportional to 117,880.72, 176,819.36 and 29,134.22 is: 43,700.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,880.72 : 176,819.36 = 29,134.22 : x
  2. Step 2: Convert to fraction form
    117,880.72/176,819.36 = 29,134.22/x
  3. Step 3: Cross multiply
    117,880.72x = 176,819.36 × 29,134.22
  4. Step 4: Simplify right side
    117,880.72x = 5,151,494,134.50
  5. Step 5: Solve for x
    x = 5,151,494,134.50/117,880.72
  6. Step 6: Final answer
    x = 43,700.90

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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.