Home / 254,525.76-381,620.12-121,426.56

Finding the Fourth Proportional to 254,525.76, 381,620.12 and 121,426.56

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Solution

The fourth proportional to 254,525.76, 381,620.12 and 121,426.56 is: 182,059.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,525.76 : 381,620.12 = 121,426.56 : x
  2. Step 2: Convert to fraction form
    254,525.76/381,620.12 = 121,426.56/x
  3. Step 3: Cross multiply
    254,525.76x = 381,620.12 × 121,426.56
  4. Step 4: Simplify right side
    254,525.76x = 46,338,818,398.39
  5. Step 5: Solve for x
    x = 46,338,818,398.39/254,525.76
  6. Step 6: Final answer
    x = 182,059.44

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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.