Home / 126,134.48-189,132-50,156.06

Finding the Fourth Proportional to 126,134.48, 189,132 and 50,156.06

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Solution

The fourth proportional to 126,134.48, 189,132 and 50,156.06 is: 75,206.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,134.48 : 189,132 = 50,156.06 : x
  2. Step 2: Convert to fraction form
    126,134.48/189,132 = 50,156.06/x
  3. Step 3: Cross multiply
    126,134.48x = 189,132 × 50,156.06
  4. Step 4: Simplify right side
    126,134.48x = 9,486,115,939.92
  5. Step 5: Solve for x
    x = 9,486,115,939.92/126,134.48
  6. Step 6: Final answer
    x = 75,206.37

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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.