Home / 254,515.27-381,191.52-121,489.18

Finding the Fourth Proportional to 254,515.27, 381,191.52 and 121,489.18

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Solution

The fourth proportional to 254,515.27, 381,191.52 and 121,489.18 is: 181,956.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,515.27 : 381,191.52 = 121,489.18 : x
  2. Step 2: Convert to fraction form
    254,515.27/381,191.52 = 121,489.18/x
  3. Step 3: Cross multiply
    254,515.27x = 381,191.52 × 121,489.18
  4. Step 4: Simplify right side
    254,515.27x = 46,310,645,187.75
  5. Step 5: Solve for x
    x = 46,310,645,187.75/254,515.27
  6. Step 6: Final answer
    x = 181,956.25

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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.