Home / 179,917.80-269,909.10-74,747.40

Finding the Fourth Proportional to 179,917.80, 269,909.10 and 74,747.40

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Solution

The fourth proportional to 179,917.80, 269,909.10 and 74,747.40 is: 112,134.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,917.80 : 269,909.10 = 74,747.40 : x
  2. Step 2: Convert to fraction form
    179,917.80/269,909.10 = 74,747.40/x
  3. Step 3: Cross multiply
    179,917.80x = 269,909.10 × 74,747.40
  4. Step 4: Simplify right side
    179,917.80x = 20,175,003,461.34
  5. Step 5: Solve for x
    x = 20,175,003,461.34/179,917.80
  6. Step 6: Final answer
    x = 112,134.56

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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.