Home / 185,727.96-278,702.61-67,408.53

Finding the Fourth Proportional to 185,727.96, 278,702.61 and 67,408.53

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Solution

The fourth proportional to 185,727.96, 278,702.61 and 67,408.53 is: 101,152.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,727.96 : 278,702.61 = 67,408.53 : x
  2. Step 2: Convert to fraction form
    185,727.96/278,702.61 = 67,408.53/x
  3. Step 3: Cross multiply
    185,727.96x = 278,702.61 × 67,408.53
  4. Step 4: Simplify right side
    185,727.96x = 18,786,933,247.26
  5. Step 5: Solve for x
    x = 18,786,933,247.26/185,727.96
  6. Step 6: Final answer
    x = 101,152.96

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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.