Home / 185,455.44-278,182.55-67,098.65

Finding the Fourth Proportional to 185,455.44, 278,182.55 and 67,098.65

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Solution

The fourth proportional to 185,455.44, 278,182.55 and 67,098.65 is: 100,647.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,455.44 : 278,182.55 = 67,098.65 : x
  2. Step 2: Convert to fraction form
    185,455.44/278,182.55 = 67,098.65/x
  3. Step 3: Cross multiply
    185,455.44x = 278,182.55 × 67,098.65
  4. Step 4: Simplify right side
    185,455.44x = 18,665,672,335.39
  5. Step 5: Solve for x
    x = 18,665,672,335.39/185,455.44
  6. Step 6: Final answer
    x = 100,647.75

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1.5x scale

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.