Home / 236,175.30-354,226.43-86,380.56

Finding the Fourth Proportional to 236,175.30, 354,226.43 and 86,380.56

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Solution

The fourth proportional to 236,175.30, 354,226.43 and 86,380.56 is: 129,557.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,175.30 : 354,226.43 = 86,380.56 : x
  2. Step 2: Convert to fraction form
    236,175.30/354,226.43 = 86,380.56/x
  3. Step 3: Cross multiply
    236,175.30x = 354,226.43 × 86,380.56
  4. Step 4: Simplify right side
    236,175.30x = 30,598,276,958.30
  5. Step 5: Solve for x
    x = 30,598,276,958.30/236,175.30
  6. Step 6: Final answer
    x = 129,557.48

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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.