Home / 254,403.25-381,631.01-67,414.75

Finding the Fourth Proportional to 254,403.25, 381,631.01 and 67,414.75

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Solution

The fourth proportional to 254,403.25, 381,631.01 and 67,414.75 is: 101,129.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,403.25 : 381,631.01 = 67,414.75 : x
  2. Step 2: Convert to fraction form
    254,403.25/381,631.01 = 67,414.75/x
  3. Step 3: Cross multiply
    254,403.25x = 381,631.01 × 67,414.75
  4. Step 4: Simplify right side
    254,403.25x = 25,727,559,131.40
  5. Step 5: Solve for x
    x = 25,727,559,131.40/254,403.25
  6. Step 6: Final answer
    x = 101,129.05

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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.