Home / 267,610.08-401,476.56-90,112.32

Finding the Fourth Proportional to 267,610.08, 401,476.56 and 90,112.32

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Solution

The fourth proportional to 267,610.08, 401,476.56 and 90,112.32 is: 135,189.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,610.08 : 401,476.56 = 90,112.32 : x
  2. Step 2: Convert to fraction form
    267,610.08/401,476.56 = 90,112.32/x
  3. Step 3: Cross multiply
    267,610.08x = 401,476.56 × 90,112.32
  4. Step 4: Simplify right side
    267,610.08x = 36,177,984,247.22
  5. Step 5: Solve for x
    x = 36,177,984,247.22/267,610.08
  6. Step 6: Final answer
    x = 135,189.17

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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.