Home / 146,822.40-220,233.60-58,078.80

Finding the Fourth Proportional to 146,822.40, 220,233.60 and 58,078.80

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Solution

The fourth proportional to 146,822.40, 220,233.60 and 58,078.80 is: 87,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,822.40 : 220,233.60 = 58,078.80 : x
  2. Step 2: Convert to fraction form
    146,822.40/220,233.60 = 58,078.80/x
  3. Step 3: Cross multiply
    146,822.40x = 220,233.60 × 58,078.80
  4. Step 4: Simplify right side
    146,822.40x = 12,790,903,207.68
  5. Step 5: Solve for x
    x = 12,790,903,207.68/146,822.40
  6. Step 6: Final answer
    x = 87,118.20

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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.