Home / 263,419.29-363,515.85-142,557.98

Finding the Fourth Proportional to 263,419.29, 363,515.85 and 142,557.98

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Solution

The fourth proportional to 263,419.29, 363,515.85 and 142,557.98 is: 196,728.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,419.29 : 363,515.85 = 142,557.98 : x
  2. Step 2: Convert to fraction form
    263,419.29/363,515.85 = 142,557.98/x
  3. Step 3: Cross multiply
    263,419.29x = 363,515.85 × 142,557.98
  4. Step 4: Simplify right side
    263,419.29x = 51,822,083,456.40
  5. Step 5: Solve for x
    x = 51,822,083,456.40/263,419.29
  6. Step 6: Final answer
    x = 196,728.51

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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.