Home / 161,026.80-241,540.20-72,453.30

Finding the Fourth Proportional to 161,026.80, 241,540.20 and 72,453.30

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Solution

The fourth proportional to 161,026.80, 241,540.20 and 72,453.30 is: 108,679.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,026.80 : 241,540.20 = 72,453.30 : x
  2. Step 2: Convert to fraction form
    161,026.80/241,540.20 = 72,453.30/x
  3. Step 3: Cross multiply
    161,026.80x = 241,540.20 × 72,453.30
  4. Step 4: Simplify right side
    161,026.80x = 17,500,384,572.66
  5. Step 5: Solve for x
    x = 17,500,384,572.66/161,026.80
  6. Step 6: Final answer
    x = 108,679.95

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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.