Home / 183,572.12-275,247.40-82,351.72

Finding the Fourth Proportional to 183,572.12, 275,247.40 and 82,351.72

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Solution

The fourth proportional to 183,572.12, 275,247.40 and 82,351.72 is: 123,477.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,572.12 : 275,247.40 = 82,351.72 : x
  2. Step 2: Convert to fraction form
    183,572.12/275,247.40 = 82,351.72/x
  3. Step 3: Cross multiply
    183,572.12x = 275,247.40 × 82,351.72
  4. Step 4: Simplify right side
    183,572.12x = 22,667,096,815.53
  5. Step 5: Solve for x
    x = 22,667,096,815.53/183,572.12
  6. Step 6: Final answer
    x = 123,477.88

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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.