Home / 218,264.88-301,202.38-122,771.54

Finding the Fourth Proportional to 218,264.88, 301,202.38 and 122,771.54

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Solution

The fourth proportional to 218,264.88, 301,202.38 and 122,771.54 is: 169,422.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,264.88 : 301,202.38 = 122,771.54 : x
  2. Step 2: Convert to fraction form
    218,264.88/301,202.38 = 122,771.54/x
  3. Step 3: Cross multiply
    218,264.88x = 301,202.38 × 122,771.54
  4. Step 4: Simplify right side
    218,264.88x = 36,979,080,044.27
  5. Step 5: Solve for x
    x = 36,979,080,044.27/218,264.88
  6. Step 6: Final answer
    x = 169,422.95

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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.