Home / 215,007.81-322,600.55-108,334.75

Finding the Fourth Proportional to 215,007.81, 322,600.55 and 108,334.75

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Solution

The fourth proportional to 215,007.81, 322,600.55 and 108,334.75 is: 162,546.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,007.81 : 322,600.55 = 108,334.75 : x
  2. Step 2: Convert to fraction form
    215,007.81/322,600.55 = 108,334.75/x
  3. Step 3: Cross multiply
    215,007.81x = 322,600.55 × 108,334.75
  4. Step 4: Simplify right side
    215,007.81x = 34,948,849,934.11
  5. Step 5: Solve for x
    x = 34,948,849,934.11/215,007.81
  6. Step 6: Final answer
    x = 162,546.89

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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.