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Finding the Fourth Proportional to 117,388, 176,107.92 and 43,516

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Solution

The fourth proportional to 117,388, 176,107.92 and 43,516 is: 65,283.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,388 : 176,107.92 = 43,516 : x
  2. Step 2: Convert to fraction form
    117,388/176,107.92 = 43,516/x
  3. Step 3: Cross multiply
    117,388x = 176,107.92 × 43,516
  4. Step 4: Simplify right side
    117,388x = 7,663,512,246.72
  5. Step 5: Solve for x
    x = 7,663,512,246.72/117,388
  6. Step 6: Final answer
    x = 65,283.61

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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.