Home / 126,087.76-189,134.34-37,343.08

Finding the Fourth Proportional to 126,087.76, 189,134.34 and 37,343.08

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Solution

The fourth proportional to 126,087.76, 189,134.34 and 37,343.08 is: 56,015.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,087.76 : 189,134.34 = 37,343.08 : x
  2. Step 2: Convert to fraction form
    126,087.76/189,134.34 = 37,343.08/x
  3. Step 3: Cross multiply
    126,087.76x = 189,134.34 × 37,343.08
  4. Step 4: Simplify right side
    126,087.76x = 7,062,858,789.37
  5. Step 5: Solve for x
    x = 7,062,858,789.37/126,087.76
  6. Step 6: Final answer
    x = 56,015.42

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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.