Home / 254,513.25-381,601.38-121,414.05

Finding the Fourth Proportional to 254,513.25, 381,601.38 and 121,414.05

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Solution

The fourth proportional to 254,513.25, 381,601.38 and 121,414.05 is: 182,040.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,513.25 : 381,601.38 = 121,414.05 : x
  2. Step 2: Convert to fraction form
    254,513.25/381,601.38 = 121,414.05/x
  3. Step 3: Cross multiply
    254,513.25x = 381,601.38 × 121,414.05
  4. Step 4: Simplify right side
    254,513.25x = 46,331,769,031.39
  5. Step 5: Solve for x
    x = 46,331,769,031.39/254,513.25
  6. Step 6: Final answer
    x = 182,040.70

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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.