Home / 217,205.66-299,738.94-126,555.95

Finding the Fourth Proportional to 217,205.66, 299,738.94 and 126,555.95

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Solution

The fourth proportional to 217,205.66, 299,738.94 and 126,555.95 is: 174,644.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,205.66 : 299,738.94 = 126,555.95 : x
  2. Step 2: Convert to fraction form
    217,205.66/299,738.94 = 126,555.95/x
  3. Step 3: Cross multiply
    217,205.66x = 299,738.94 × 126,555.95
  4. Step 4: Simplify right side
    217,205.66x = 37,933,746,303.69
  5. Step 5: Solve for x
    x = 37,933,746,303.69/217,205.66
  6. Step 6: Final answer
    x = 174,644.37

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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.