Home / 185,360.81-278,062.83-67,087.85

Finding the Fourth Proportional to 185,360.81, 278,062.83 and 67,087.85

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Solution

The fourth proportional to 185,360.81, 278,062.83 and 67,087.85 is: 100,639.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,360.81 : 278,062.83 = 67,087.85 : x
  2. Step 2: Convert to fraction form
    185,360.81/278,062.83 = 67,087.85/x
  3. Step 3: Cross multiply
    185,360.81x = 278,062.83 × 67,087.85
  4. Step 4: Simplify right side
    185,360.81x = 18,654,636,039.30
  5. Step 5: Solve for x
    x = 18,654,636,039.30/185,360.81
  6. Step 6: Final answer
    x = 100,639.59

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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.