Home / 146,729.80-220,167.60-57,986.20

Finding the Fourth Proportional to 146,729.80, 220,167.60 and 57,986.20

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Solution

The fourth proportional to 146,729.80, 220,167.60 and 57,986.20 is: 87,008.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,729.80 : 220,167.60 = 57,986.20 : x
  2. Step 2: Convert to fraction form
    146,729.80/220,167.60 = 57,986.20/x
  3. Step 3: Cross multiply
    146,729.80x = 220,167.60 × 57,986.20
  4. Step 4: Simplify right side
    146,729.80x = 12,766,682,487.12
  5. Step 5: Solve for x
    x = 12,766,682,487.12/146,729.80
  6. Step 6: Final answer
    x = 87,008.11

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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.