Home / 182,890.80-274,919.40-172,393.20

Finding the Fourth Proportional to 182,890.80, 274,919.40 and 172,393.20

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Solution

The fourth proportional to 182,890.80, 274,919.40 and 172,393.20 is: 259,139.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,890.80 : 274,919.40 = 172,393.20 : x
  2. Step 2: Convert to fraction form
    182,890.80/274,919.40 = 172,393.20/x
  3. Step 3: Cross multiply
    182,890.80x = 274,919.40 × 172,393.20
  4. Step 4: Simplify right side
    182,890.80x = 47,394,235,108.08
  5. Step 5: Solve for x
    x = 47,394,235,108.08/182,890.80
  6. Step 6: Final answer
    x = 259,139.53

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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.