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Finding the Fourth Proportional to 117,186.44, 175,841.64 and 63,916.88

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Solution

The fourth proportional to 117,186.44, 175,841.64 and 63,916.88 is: 95,909.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,186.44 : 175,841.64 = 63,916.88 : x
  2. Step 2: Convert to fraction form
    117,186.44/175,841.64 = 63,916.88/x
  3. Step 3: Cross multiply
    117,186.44x = 175,841.64 × 63,916.88
  4. Step 4: Simplify right side
    117,186.44x = 11,239,249,002.88
  5. Step 5: Solve for x
    x = 11,239,249,002.88/117,186.44
  6. Step 6: Final answer
    x = 95,909.13

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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.