Home / 213,422.62-320,133.94-73,182.46

Finding the Fourth Proportional to 213,422.62, 320,133.94 and 73,182.46

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Solution

The fourth proportional to 213,422.62, 320,133.94 and 73,182.46 is: 109,773.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,422.62 : 320,133.94 = 73,182.46 : x
  2. Step 2: Convert to fraction form
    213,422.62/320,133.94 = 73,182.46/x
  3. Step 3: Cross multiply
    213,422.62x = 320,133.94 × 73,182.46
  4. Step 4: Simplify right side
    213,422.62x = 23,428,189,258.69
  5. Step 5: Solve for x
    x = 23,428,189,258.69/213,422.62
  6. Step 6: Final answer
    x = 109,773.69

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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.