Home / 123,724.55-185,585.20-30,231.11

Finding the Fourth Proportional to 123,724.55, 185,585.20 and 30,231.11

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Solution

The fourth proportional to 123,724.55, 185,585.20 and 30,231.11 is: 45,346.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,724.55 : 185,585.20 = 30,231.11 : x
  2. Step 2: Convert to fraction form
    123,724.55/185,585.20 = 30,231.11/x
  3. Step 3: Cross multiply
    123,724.55x = 185,585.20 × 30,231.11
  4. Step 4: Simplify right side
    123,724.55x = 5,610,446,595.57
  5. Step 5: Solve for x
    x = 5,610,446,595.57/123,724.55
  6. Step 6: Final answer
    x = 45,346.27

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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.