Home / 108,186.40-149,296.82-59,786.96

Finding the Fourth Proportional to 108,186.40, 149,296.82 and 59,786.96

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Solution

The fourth proportional to 108,186.40, 149,296.82 and 59,786.96 is: 82,505.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,186.40 : 149,296.82 = 59,786.96 : x
  2. Step 2: Convert to fraction form
    108,186.40/149,296.82 = 59,786.96/x
  3. Step 3: Cross multiply
    108,186.40x = 149,296.82 × 59,786.96
  4. Step 4: Simplify right side
    108,186.40x = 8,926,003,005.47
  5. Step 5: Solve for x
    x = 8,926,003,005.47/108,186.40
  6. Step 6: Final answer
    x = 82,505.78

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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.