Home / 263,672.06-363,867.28-142,813.31

Finding the Fourth Proportional to 263,672.06, 363,867.28 and 142,813.31

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Solution

The fourth proportional to 263,672.06, 363,867.28 and 142,813.31 is: 197,082.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,672.06 : 363,867.28 = 142,813.31 : x
  2. Step 2: Convert to fraction form
    263,672.06/363,867.28 = 142,813.31/x
  3. Step 3: Cross multiply
    263,672.06x = 363,867.28 × 142,813.31
  4. Step 4: Simplify right side
    263,672.06x = 51,965,088,481.13
  5. Step 5: Solve for x
    x = 51,965,088,481.13/263,672.06
  6. Step 6: Final answer
    x = 197,082.28

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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.