Home / 179,454.40-269,218.05-61,137.70

Finding the Fourth Proportional to 179,454.40, 269,218.05 and 61,137.70

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Solution

The fourth proportional to 179,454.40, 269,218.05 and 61,137.70 is: 91,718.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,454.40 : 269,218.05 = 61,137.70 : x
  2. Step 2: Convert to fraction form
    179,454.40/269,218.05 = 61,137.70/x
  3. Step 3: Cross multiply
    179,454.40x = 269,218.05 × 61,137.70
  4. Step 4: Simplify right side
    179,454.40x = 16,459,372,375.49
  5. Step 5: Solve for x
    x = 16,459,372,375.49/179,454.40
  6. Step 6: Final answer
    x = 91,718.97

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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.