Home / 179,628.10-269,442.15-61,281.70

Finding the Fourth Proportional to 179,628.10, 269,442.15 and 61,281.70

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Solution

The fourth proportional to 179,628.10, 269,442.15 and 61,281.70 is: 91,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,628.10 : 269,442.15 = 61,281.70 : x
  2. Step 2: Convert to fraction form
    179,628.10/269,442.15 = 61,281.70/x
  3. Step 3: Cross multiply
    179,628.10x = 269,442.15 × 61,281.70
  4. Step 4: Simplify right side
    179,628.10x = 16,511,873,003.66
  5. Step 5: Solve for x
    x = 16,511,873,003.66/179,628.10
  6. Step 6: Final answer
    x = 91,922.55

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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.