Home / 124,778.37-187,241.27-65,618.61

Finding the Fourth Proportional to 124,778.37, 187,241.27 and 65,618.61

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Solution

The fourth proportional to 124,778.37, 187,241.27 and 65,618.61 is: 98,466.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,778.37 : 187,241.27 = 65,618.61 : x
  2. Step 2: Convert to fraction form
    124,778.37/187,241.27 = 65,618.61/x
  3. Step 3: Cross multiply
    124,778.37x = 187,241.27 × 65,618.61
  4. Step 4: Simplify right side
    124,778.37x = 12,286,511,872.03
  5. Step 5: Solve for x
    x = 12,286,511,872.03/124,778.37
  6. Step 6: Final answer
    x = 98,466.68

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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.