Home / 126,338.40-189,496.67-51,466.46

Finding the Fourth Proportional to 126,338.40, 189,496.67 and 51,466.46

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Solution

The fourth proportional to 126,338.40, 189,496.67 and 51,466.46 is: 77,195.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,338.40 : 189,496.67 = 51,466.46 : x
  2. Step 2: Convert to fraction form
    126,338.40/189,496.67 = 51,466.46/x
  3. Step 3: Cross multiply
    126,338.40x = 189,496.67 × 51,466.46
  4. Step 4: Simplify right side
    126,338.40x = 9,752,721,581.87
  5. Step 5: Solve for x
    x = 9,752,721,581.87/126,338.40
  6. Step 6: Final answer
    x = 77,195.23

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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.