Home / 180,027.28-269,787.38-137,743.66

Finding the Fourth Proportional to 180,027.28, 269,787.38 and 137,743.66

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Solution

The fourth proportional to 180,027.28, 269,787.38 and 137,743.66 is: 206,421.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,027.28 : 269,787.38 = 137,743.66 : x
  2. Step 2: Convert to fraction form
    180,027.28/269,787.38 = 137,743.66/x
  3. Step 3: Cross multiply
    180,027.28x = 269,787.38 × 137,743.66
  4. Step 4: Simplify right side
    180,027.28x = 37,161,499,794.07
  5. Step 5: Solve for x
    x = 37,161,499,794.07/180,027.28
  6. Step 6: Final answer
    x = 206,421.50

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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.