Home / 126,672.26-189,938.27-51,844.98

Finding the Fourth Proportional to 126,672.26, 189,938.27 and 51,844.98

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Solution

The fourth proportional to 126,672.26, 189,938.27 and 51,844.98 is: 77,738.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,672.26 : 189,938.27 = 51,844.98 : x
  2. Step 2: Convert to fraction form
    126,672.26/189,938.27 = 51,844.98/x
  3. Step 3: Cross multiply
    126,672.26x = 189,938.27 × 51,844.98
  4. Step 4: Simplify right side
    126,672.26x = 9,847,345,809.38
  5. Step 5: Solve for x
    x = 9,847,345,809.38/126,672.26
  6. Step 6: Final answer
    x = 77,738.77

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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.