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Finding the Fourth Proportional to 117,120.87, 175,398.08 and 67,049.10

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Solution

The fourth proportional to 117,120.87, 175,398.08 and 67,049.10 is: 100,411.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,120.87 : 175,398.08 = 67,049.10 : x
  2. Step 2: Convert to fraction form
    117,120.87/175,398.08 = 67,049.10/x
  3. Step 3: Cross multiply
    117,120.87x = 175,398.08 × 67,049.10
  4. Step 4: Simplify right side
    117,120.87x = 11,760,283,070.48
  5. Step 5: Solve for x
    x = 11,760,283,070.48/117,120.87
  6. Step 6: Final answer
    x = 100,411.51

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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.