Home / 254,844.88-351,678.46-140,123.42

Finding the Fourth Proportional to 254,844.88, 351,678.46 and 140,123.42

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Solution

The fourth proportional to 254,844.88, 351,678.46 and 140,123.42 is: 193,366.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,844.88 : 351,678.46 = 140,123.42 : x
  2. Step 2: Convert to fraction form
    254,844.88/351,678.46 = 140,123.42/x
  3. Step 3: Cross multiply
    254,844.88x = 351,678.46 × 140,123.42
  4. Step 4: Simplify right side
    254,844.88x = 49,278,388,028.36
  5. Step 5: Solve for x
    x = 49,278,388,028.36/254,844.88
  6. Step 6: Final answer
    x = 193,366.21

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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.