Home / 254,549.25-381,906.81-121,412.18

Finding the Fourth Proportional to 254,549.25, 381,906.81 and 121,412.18

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Solution

The fourth proportional to 254,549.25, 381,906.81 and 121,412.18 is: 182,157.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,549.25 : 381,906.81 = 121,412.18 : x
  2. Step 2: Convert to fraction form
    254,549.25/381,906.81 = 121,412.18/x
  3. Step 3: Cross multiply
    254,549.25x = 381,906.81 × 121,412.18
  4. Step 4: Simplify right side
    254,549.25x = 46,368,138,358.95
  5. Step 5: Solve for x
    x = 46,368,138,358.95/254,549.25
  6. Step 6: Final answer
    x = 182,157.83

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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.