Home / 267,539.45-401,350.61-90,032.60

Finding the Fourth Proportional to 267,539.45, 401,350.61 and 90,032.60

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Solution

The fourth proportional to 267,539.45, 401,350.61 and 90,032.60 is: 135,062.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,539.45 : 401,350.61 = 90,032.60 : x
  2. Step 2: Convert to fraction form
    267,539.45/401,350.61 = 90,032.60/x
  3. Step 3: Cross multiply
    267,539.45x = 401,350.61 × 90,032.60
  4. Step 4: Simplify right side
    267,539.45x = 36,134,640,158.34
  5. Step 5: Solve for x
    x = 36,134,640,158.34/267,539.45
  6. Step 6: Final answer
    x = 135,062.85

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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.