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Finding the Fourth Proportional to 117,416.22, 175,891.05 and 64,694.94

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Solution

The fourth proportional to 117,416.22, 175,891.05 and 64,694.94 is: 96,913.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,416.22 : 175,891.05 = 64,694.94 : x
  2. Step 2: Convert to fraction form
    117,416.22/175,891.05 = 64,694.94/x
  3. Step 3: Cross multiply
    117,416.22x = 175,891.05 × 64,694.94
  4. Step 4: Simplify right side
    117,416.22x = 11,379,260,926.29
  5. Step 5: Solve for x
    x = 11,379,260,926.29/117,416.22
  6. Step 6: Final answer
    x = 96,913.88

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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.