Home / 126,166.51-189,194.82-36,189.37

Finding the Fourth Proportional to 126,166.51, 189,194.82 and 36,189.37

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Solution

The fourth proportional to 126,166.51, 189,194.82 and 36,189.37 is: 54,268.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,166.51 : 189,194.82 = 36,189.37 : x
  2. Step 2: Convert to fraction form
    126,166.51/189,194.82 = 36,189.37/x
  3. Step 3: Cross multiply
    126,166.51x = 189,194.82 × 36,189.37
  4. Step 4: Simplify right side
    126,166.51x = 6,846,841,343.06
  5. Step 5: Solve for x
    x = 6,846,841,343.06/126,166.51
  6. Step 6: Final answer
    x = 54,268.29

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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.