Home / 263,569.70-363,724.64-142,708.50

Finding the Fourth Proportional to 263,569.70, 363,724.64 and 142,708.50

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Solution

The fourth proportional to 263,569.70, 363,724.64 and 142,708.50 is: 196,936.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,569.70 : 363,724.64 = 142,708.50 : x
  2. Step 2: Convert to fraction form
    263,569.70/363,724.64 = 142,708.50/x
  3. Step 3: Cross multiply
    263,569.70x = 363,724.64 × 142,708.50
  4. Step 4: Simplify right side
    263,569.70x = 51,906,597,787.44
  5. Step 5: Solve for x
    x = 51,906,597,787.44/263,569.70
  6. Step 6: Final answer
    x = 196,936.89

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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.