Home / 267,769.64-401,667.82-87,839.14

Finding the Fourth Proportional to 267,769.64, 401,667.82 and 87,839.14

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Solution

The fourth proportional to 267,769.64, 401,667.82 and 87,839.14 is: 131,763.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,769.64 : 401,667.82 = 87,839.14 : x
  2. Step 2: Convert to fraction form
    267,769.64/401,667.82 = 87,839.14/x
  3. Step 3: Cross multiply
    267,769.64x = 401,667.82 × 87,839.14
  4. Step 4: Simplify right side
    267,769.64x = 35,282,155,874.47
  5. Step 5: Solve for x
    x = 35,282,155,874.47/267,769.64
  6. Step 6: Final answer
    x = 131,763.09

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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.