Home / 267,539.64-401,371.22-90,042.31

Finding the Fourth Proportional to 267,539.64, 401,371.22 and 90,042.31

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Solution

The fourth proportional to 267,539.64, 401,371.22 and 90,042.31 is: 135,084.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,539.64 : 401,371.22 = 90,042.31 : x
  2. Step 2: Convert to fraction form
    267,539.64/401,371.22 = 90,042.31/x
  3. Step 3: Cross multiply
    267,539.64x = 401,371.22 × 90,042.31
  4. Step 4: Simplify right side
    267,539.64x = 36,140,391,366.11
  5. Step 5: Solve for x
    x = 36,140,391,366.11/267,539.64
  6. Step 6: Final answer
    x = 135,084.25

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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.