Home / 263,557.87-363,708.30-142,696.61

Finding the Fourth Proportional to 263,557.87, 363,708.30 and 142,696.61

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Solution

The fourth proportional to 263,557.87, 363,708.30 and 142,696.61 is: 196,920.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,557.87 : 363,708.30 = 142,696.61 : x
  2. Step 2: Convert to fraction form
    263,557.87/363,708.30 = 142,696.61/x
  3. Step 3: Cross multiply
    263,557.87x = 363,708.30 × 142,696.61
  4. Step 4: Simplify right side
    263,557.87x = 51,899,941,519.34
  5. Step 5: Solve for x
    x = 51,899,941,519.34/263,557.87
  6. Step 6: Final answer
    x = 196,920.48

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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.