Home / 185,629.80-278,476.44-73,251.36

Finding the Fourth Proportional to 185,629.80, 278,476.44 and 73,251.36

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Solution

The fourth proportional to 185,629.80, 278,476.44 and 73,251.36 is: 109,889.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,629.80 : 278,476.44 = 73,251.36 : x
  2. Step 2: Convert to fraction form
    185,629.80/278,476.44 = 73,251.36/x
  3. Step 3: Cross multiply
    185,629.80x = 278,476.44 × 73,251.36
  4. Step 4: Simplify right side
    185,629.80x = 20,398,777,957.96
  5. Step 5: Solve for x
    x = 20,398,777,957.96/185,629.80
  6. Step 6: Final answer
    x = 109,889.56

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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.