Home / 263,634.12-363,815.42-142,775.60

Finding the Fourth Proportional to 263,634.12, 363,815.42 and 142,775.60

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Solution

The fourth proportional to 263,634.12, 363,815.42 and 142,775.60 is: 197,030.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,634.12 : 363,815.42 = 142,775.60 : x
  2. Step 2: Convert to fraction form
    263,634.12/363,815.42 = 142,775.60/x
  3. Step 3: Cross multiply
    263,634.12x = 363,815.42 × 142,775.60
  4. Step 4: Simplify right side
    263,634.12x = 51,943,964,879.75
  5. Step 5: Solve for x
    x = 51,943,964,879.75/263,634.12
  6. Step 6: Final answer
    x = 197,030.51

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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.