Home / 126,266.52-188,364.87-122,834.28

Finding the Fourth Proportional to 126,266.52, 188,364.87 and 122,834.28

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Solution

The fourth proportional to 126,266.52, 188,364.87 and 122,834.28 is: 183,244.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,266.52 : 188,364.87 = 122,834.28 : x
  2. Step 2: Convert to fraction form
    126,266.52/188,364.87 = 122,834.28/x
  3. Step 3: Cross multiply
    126,266.52x = 188,364.87 × 122,834.28
  4. Step 4: Simplify right side
    126,266.52x = 23,137,663,183.74
  5. Step 5: Solve for x
    x = 23,137,663,183.74/126,266.52
  6. Step 6: Final answer
    x = 183,244.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.