Home / 267,539.14-401,370.47-90,041.81

Finding the Fourth Proportional to 267,539.14, 401,370.47 and 90,041.81

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Solution

The fourth proportional to 267,539.14, 401,370.47 and 90,041.81 is: 135,083.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,539.14 : 401,370.47 = 90,041.81 : x
  2. Step 2: Convert to fraction form
    267,539.14/401,370.47 = 90,041.81/x
  3. Step 3: Cross multiply
    267,539.14x = 401,370.47 × 90,041.81
  4. Step 4: Simplify right side
    267,539.14x = 36,140,123,149.14
  5. Step 5: Solve for x
    x = 36,140,123,149.14/267,539.14
  6. Step 6: Final answer
    x = 135,083.50

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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.