Home / 263,575.29-363,734.12-142,716.64

Finding the Fourth Proportional to 263,575.29, 363,734.12 and 142,716.64

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Solution

The fourth proportional to 263,575.29, 363,734.12 and 142,716.64 is: 196,949.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,575.29 : 363,734.12 = 142,716.64 : x
  2. Step 2: Convert to fraction form
    263,575.29/363,734.12 = 142,716.64/x
  3. Step 3: Cross multiply
    263,575.29x = 363,734.12 × 142,716.64
  4. Step 4: Simplify right side
    263,575.29x = 51,910,911,459.76
  5. Step 5: Solve for x
    x = 51,910,911,459.76/263,575.29
  6. Step 6: Final answer
    x = 196,949.08

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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.