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Finding the Fourth Proportional to 119,375.13, 164,734.44 and 67,701.71

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Solution

The fourth proportional to 119,375.13, 164,734.44 and 67,701.71 is: 93,426.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,375.13 : 164,734.44 = 67,701.71 : x
  2. Step 2: Convert to fraction form
    119,375.13/164,734.44 = 67,701.71/x
  3. Step 3: Cross multiply
    119,375.13x = 164,734.44 × 67,701.71
  4. Step 4: Simplify right side
    119,375.13x = 11,152,803,949.61
  5. Step 5: Solve for x
    x = 11,152,803,949.61/119,375.13
  6. Step 6: Final answer
    x = 93,426.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.