Home / 267,519.09-401,340.10-90,021.36

Finding the Fourth Proportional to 267,519.09, 401,340.10 and 90,021.36

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Solution

The fourth proportional to 267,519.09, 401,340.10 and 90,021.36 is: 135,052.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,519.09 : 401,340.10 = 90,021.36 : x
  2. Step 2: Convert to fraction form
    267,519.09/401,340.10 = 90,021.36/x
  3. Step 3: Cross multiply
    267,519.09x = 401,340.10 × 90,021.36
  4. Step 4: Simplify right side
    267,519.09x = 36,129,181,624.54
  5. Step 5: Solve for x
    x = 36,129,181,624.54/267,519.09
  6. Step 6: Final answer
    x = 135,052.72

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1.5x scale

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.