Home / 126,391.82-174,431.56-69,814.13

Finding the Fourth Proportional to 126,391.82, 174,431.56 and 69,814.13

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Solution

The fourth proportional to 126,391.82, 174,431.56 and 69,814.13 is: 96,349.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,391.82 : 174,431.56 = 69,814.13 : x
  2. Step 2: Convert to fraction form
    126,391.82/174,431.56 = 69,814.13/x
  3. Step 3: Cross multiply
    126,391.82x = 174,431.56 × 69,814.13
  4. Step 4: Simplify right side
    126,391.82x = 12,177,787,605.94
  5. Step 5: Solve for x
    x = 12,177,787,605.94/126,391.82
  6. Step 6: Final answer
    x = 96,349.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.