Home / 263,634.39-363,815.37-142,775.76

Finding the Fourth Proportional to 263,634.39, 363,815.37 and 142,775.76

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Solution

The fourth proportional to 263,634.39, 363,815.37 and 142,775.76 is: 197,030.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,634.39 : 363,815.37 = 142,775.76 : x
  2. Step 2: Convert to fraction form
    263,634.39/363,815.37 = 142,775.76/x
  3. Step 3: Cross multiply
    263,634.39x = 363,815.37 × 142,775.76
  4. Step 4: Simplify right side
    263,634.39x = 51,944,015,951.43
  5. Step 5: Solve for x
    x = 51,944,015,951.43/263,634.39
  6. Step 6: Final answer
    x = 197,030.50

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1.5x scale

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.