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Finding the Fourth Proportional to 182,642.21, 252,044.66 and 102,067.66

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Solution

The fourth proportional to 182,642.21, 252,044.66 and 102,067.66 is: 140,852.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,642.21 : 252,044.66 = 102,067.66 : x
  2. Step 2: Convert to fraction form
    182,642.21/252,044.66 = 102,067.66/x
  3. Step 3: Cross multiply
    182,642.21x = 252,044.66 × 102,067.66
  4. Step 4: Simplify right side
    182,642.21x = 25,725,609,231.92
  5. Step 5: Solve for x
    x = 25,725,609,231.92/182,642.21
  6. Step 6: Final answer
    x = 140,852.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.