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Finding the Fourth Proportional to 117,773.02, 176,251.29 and 112,874.14

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Solution

The fourth proportional to 117,773.02, 176,251.29 and 112,874.14 is: 168,919.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,773.02 : 176,251.29 = 112,874.14 : x
  2. Step 2: Convert to fraction form
    117,773.02/176,251.29 = 112,874.14/x
  3. Step 3: Cross multiply
    117,773.02x = 176,251.29 × 112,874.14
  4. Step 4: Simplify right side
    117,773.02x = 19,894,212,782.64
  5. Step 5: Solve for x
    x = 19,894,212,782.64/117,773.02
  6. Step 6: Final answer
    x = 168,919.95

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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.