Home / 126,431.32-174,491.94-122,277.24

Finding the Fourth Proportional to 126,431.32, 174,491.94 and 122,277.24

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Solution

The fourth proportional to 126,431.32, 174,491.94 and 122,277.24 is: 168,758.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,431.32 : 174,491.94 = 122,277.24 : x
  2. Step 2: Convert to fraction form
    126,431.32/174,491.94 = 122,277.24/x
  3. Step 3: Cross multiply
    126,431.32x = 174,491.94 × 122,277.24
  4. Step 4: Simplify right side
    126,431.32x = 21,336,392,825.45
  5. Step 5: Solve for x
    x = 21,336,392,825.45/126,431.32
  6. Step 6: Final answer
    x = 168,758.76

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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.