Home / 181,930.20-272,895.30-110,779.80

Finding the Fourth Proportional to 181,930.20, 272,895.30 and 110,779.80

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Solution

The fourth proportional to 181,930.20, 272,895.30 and 110,779.80 is: 166,169.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,930.20 : 272,895.30 = 110,779.80 : x
  2. Step 2: Convert to fraction form
    181,930.20/272,895.30 = 110,779.80/x
  3. Step 3: Cross multiply
    181,930.20x = 272,895.30 × 110,779.80
  4. Step 4: Simplify right side
    181,930.20x = 30,231,286,754.94
  5. Step 5: Solve for x
    x = 30,231,286,754.94/181,930.20
  6. Step 6: Final answer
    x = 166,169.70

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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.