Home / 140,851.32-211,134.78-88,297.68

Finding the Fourth Proportional to 140,851.32, 211,134.78 and 88,297.68

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Solution

The fourth proportional to 140,851.32, 211,134.78 and 88,297.68 is: 132,357.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,851.32 : 211,134.78 = 88,297.68 : x
  2. Step 2: Convert to fraction form
    140,851.32/211,134.78 = 88,297.68/x
  3. Step 3: Cross multiply
    140,851.32x = 211,134.78 × 88,297.68
  4. Step 4: Simplify right side
    140,851.32x = 18,642,711,241.31
  5. Step 5: Solve for x
    x = 18,642,711,241.31/140,851.32
  6. Step 6: Final answer
    x = 132,357.38

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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.