Home / 181,276.20-271,806.30-111,205.80

Finding the Fourth Proportional to 181,276.20, 271,806.30 and 111,205.80

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Solution

The fourth proportional to 181,276.20, 271,806.30 and 111,205.80 is: 166,742.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,276.20 : 271,806.30 = 111,205.80 : x
  2. Step 2: Convert to fraction form
    181,276.20/271,806.30 = 111,205.80/x
  3. Step 3: Cross multiply
    181,276.20x = 271,806.30 × 111,205.80
  4. Step 4: Simplify right side
    181,276.20x = 30,226,437,036.54
  5. Step 5: Solve for x
    x = 30,226,437,036.54/181,276.20
  6. Step 6: Final answer
    x = 166,742.45

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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.