Home / 136,019.70-203,821.65-91,481.58

Finding the Fourth Proportional to 136,019.70, 203,821.65 and 91,481.58

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Solution

The fourth proportional to 136,019.70, 203,821.65 and 91,481.58 is: 137,082.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,019.70 : 203,821.65 = 91,481.58 : x
  2. Step 2: Convert to fraction form
    136,019.70/203,821.65 = 91,481.58/x
  3. Step 3: Cross multiply
    136,019.70x = 203,821.65 × 91,481.58
  4. Step 4: Simplify right side
    136,019.70x = 18,645,926,580.21
  5. Step 5: Solve for x
    x = 18,645,926,580.21/136,019.70
  6. Step 6: Final answer
    x = 137,082.54

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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.