Home / 138,800.33-191,867.26-123,841.25

Finding the Fourth Proportional to 138,800.33, 191,867.26 and 123,841.25

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Solution

The fourth proportional to 138,800.33, 191,867.26 and 123,841.25 is: 171,188.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,800.33 : 191,867.26 = 123,841.25 : x
  2. Step 2: Convert to fraction form
    138,800.33/191,867.26 = 123,841.25/x
  3. Step 3: Cross multiply
    138,800.33x = 191,867.26 × 123,841.25
  4. Step 4: Simplify right side
    138,800.33x = 23,761,080,353.14
  5. Step 5: Solve for x
    x = 23,761,080,353.14/138,800.33
  6. Step 6: Final answer
    x = 171,188.94

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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.