Home / 126,348.82-189,522.30-51,451.36

Finding the Fourth Proportional to 126,348.82, 189,522.30 and 51,451.36

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Solution

The fourth proportional to 126,348.82, 189,522.30 and 51,451.36 is: 77,176.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,348.82 : 189,522.30 = 51,451.36 : x
  2. Step 2: Convert to fraction form
    126,348.82/189,522.30 = 51,451.36/x
  3. Step 3: Cross multiply
    126,348.82x = 189,522.30 × 51,451.36
  4. Step 4: Simplify right side
    126,348.82x = 9,751,180,085.33
  5. Step 5: Solve for x
    x = 9,751,180,085.33/126,348.82
  6. Step 6: Final answer
    x = 77,176.66

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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.