Home / 185,921.66-278,915.97-67,758.86

Finding the Fourth Proportional to 185,921.66, 278,915.97 and 67,758.86

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Solution

The fourth proportional to 185,921.66, 278,915.97 and 67,758.86 is: 101,650.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,921.66 : 278,915.97 = 67,758.86 : x
  2. Step 2: Convert to fraction form
    185,921.66/278,915.97 = 67,758.86/x
  3. Step 3: Cross multiply
    185,921.66x = 278,915.97 × 67,758.86
  4. Step 4: Simplify right side
    185,921.66x = 18,899,028,162.99
  5. Step 5: Solve for x
    x = 18,899,028,162.99/185,921.66
  6. Step 6: Final answer
    x = 101,650.49

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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.