Home / 100,262.21-138,357.62-59,952.15

Finding the Fourth Proportional to 100,262.21, 138,357.62 and 59,952.15

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Solution

The fourth proportional to 100,262.21, 138,357.62 and 59,952.15 is: 82,731.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,262.21 : 138,357.62 = 59,952.15 : x
  2. Step 2: Convert to fraction form
    100,262.21/138,357.62 = 59,952.15/x
  3. Step 3: Cross multiply
    100,262.21x = 138,357.62 × 59,952.15
  4. Step 4: Simplify right side
    100,262.21x = 8,294,836,712.94
  5. Step 5: Solve for x
    x = 8,294,836,712.94/100,262.21
  6. Step 6: Final answer
    x = 82,731.44

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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.