Home / 185,827.31-278,724.56-67,499.68

Finding the Fourth Proportional to 185,827.31, 278,724.56 and 67,499.68

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Solution

The fourth proportional to 185,827.31, 278,724.56 and 67,499.68 is: 101,243.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,827.31 : 278,724.56 = 67,499.68 : x
  2. Step 2: Convert to fraction form
    185,827.31/278,724.56 = 67,499.68/x
  3. Step 3: Cross multiply
    185,827.31x = 278,724.56 × 67,499.68
  4. Step 4: Simplify right side
    185,827.31x = 18,813,817,395.18
  5. Step 5: Solve for x
    x = 18,813,817,395.18/185,827.31
  6. Step 6: Final answer
    x = 101,243.55

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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.