Home / 254,132.03-381,199.36-85,653.82

Finding the Fourth Proportional to 254,132.03, 381,199.36 and 85,653.82

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Solution

The fourth proportional to 254,132.03, 381,199.36 and 85,653.82 is: 128,481.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,132.03 : 381,199.36 = 85,653.82 : x
  2. Step 2: Convert to fraction form
    254,132.03/381,199.36 = 85,653.82/x
  3. Step 3: Cross multiply
    254,132.03x = 381,199.36 × 85,653.82
  4. Step 4: Simplify right side
    254,132.03x = 32,651,181,365.56
  5. Step 5: Solve for x
    x = 32,651,181,365.56/254,132.03
  6. Step 6: Final answer
    x = 128,481.17

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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.