Home / 179,445.90-269,205.30-61,129.20

Finding the Fourth Proportional to 179,445.90, 269,205.30 and 61,129.20

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Solution

The fourth proportional to 179,445.90, 269,205.30 and 61,129.20 is: 91,706.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,445.90 : 269,205.30 = 61,129.20 : x
  2. Step 2: Convert to fraction form
    179,445.90/269,205.30 = 61,129.20/x
  3. Step 3: Cross multiply
    179,445.90x = 269,205.30 × 61,129.20
  4. Step 4: Simplify right side
    179,445.90x = 16,456,304,624.76
  5. Step 5: Solve for x
    x = 16,456,304,624.76/179,445.90
  6. Step 6: Final answer
    x = 91,706.22

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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.