Home / 122,436.61-168,949.55-68,727.54

Finding the Fourth Proportional to 122,436.61, 168,949.55 and 68,727.54

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Solution

The fourth proportional to 122,436.61, 168,949.55 and 68,727.54 is: 94,836.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,436.61 : 168,949.55 = 68,727.54 : x
  2. Step 2: Convert to fraction form
    122,436.61/168,949.55 = 68,727.54/x
  3. Step 3: Cross multiply
    122,436.61x = 168,949.55 × 68,727.54
  4. Step 4: Simplify right side
    122,436.61x = 11,611,486,424.05
  5. Step 5: Solve for x
    x = 11,611,486,424.05/122,436.61
  6. Step 6: Final answer
    x = 94,836.72

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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.