Home / 135,982.78-204,011.07-41,209.13

Finding the Fourth Proportional to 135,982.78, 204,011.07 and 41,209.13

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Solution

The fourth proportional to 135,982.78, 204,011.07 and 41,209.13 is: 61,824.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,982.78 : 204,011.07 = 41,209.13 : x
  2. Step 2: Convert to fraction form
    135,982.78/204,011.07 = 41,209.13/x
  3. Step 3: Cross multiply
    135,982.78x = 204,011.07 × 41,209.13
  4. Step 4: Simplify right side
    135,982.78x = 8,407,118,705.07
  5. Step 5: Solve for x
    x = 8,407,118,705.07/135,982.78
  6. Step 6: Final answer
    x = 61,824.88

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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.