Home / 215,027.39-322,606.71-109,920.17

Finding the Fourth Proportional to 215,027.39, 322,606.71 and 109,920.17

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Solution

The fourth proportional to 215,027.39, 322,606.71 and 109,920.17 is: 164,913.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,027.39 : 322,606.71 = 109,920.17 : x
  2. Step 2: Convert to fraction form
    215,027.39/322,606.71 = 109,920.17/x
  3. Step 3: Cross multiply
    215,027.39x = 322,606.71 × 109,920.17
  4. Step 4: Simplify right side
    215,027.39x = 35,460,982,793.31
  5. Step 5: Solve for x
    x = 35,460,982,793.31/215,027.39
  6. Step 6: Final answer
    x = 164,913.80

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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.