Home / 263,551.35-363,696.43-142,691.66

Finding the Fourth Proportional to 263,551.35, 363,696.43 and 142,691.66

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Solution

The fourth proportional to 263,551.35, 363,696.43 and 142,691.66 is: 196,912.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,551.35 : 363,696.43 = 142,691.66 : x
  2. Step 2: Convert to fraction form
    263,551.35/363,696.43 = 142,691.66/x
  3. Step 3: Cross multiply
    263,551.35x = 363,696.43 × 142,691.66
  4. Step 4: Simplify right side
    263,551.35x = 51,896,447,332.77
  5. Step 5: Solve for x
    x = 51,896,447,332.77/263,551.35
  6. Step 6: Final answer
    x = 196,912.09

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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.