Home / 126,208.06-189,306.82-51,325.31

Finding the Fourth Proportional to 126,208.06, 189,306.82 and 51,325.31

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Solution

The fourth proportional to 126,208.06, 189,306.82 and 51,325.31 is: 76,985.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,208.06 : 189,306.82 = 51,325.31 : x
  2. Step 2: Convert to fraction form
    126,208.06/189,306.82 = 51,325.31/x
  3. Step 3: Cross multiply
    126,208.06x = 189,306.82 × 51,325.31
  4. Step 4: Simplify right side
    126,208.06x = 9,716,231,759.04
  5. Step 5: Solve for x
    x = 9,716,231,759.04/126,208.06
  6. Step 6: Final answer
    x = 76,985.83

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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.