Home / 263,635.39-363,816.75-142,776.76

Finding the Fourth Proportional to 263,635.39, 363,816.75 and 142,776.76

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Solution

The fourth proportional to 263,635.39, 363,816.75 and 142,776.76 is: 197,031.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,635.39 : 363,816.75 = 142,776.76 : x
  2. Step 2: Convert to fraction form
    263,635.39/363,816.75 = 142,776.76/x
  3. Step 3: Cross multiply
    263,635.39x = 363,816.75 × 142,776.76
  4. Step 4: Simplify right side
    263,635.39x = 51,944,576,798.73
  5. Step 5: Solve for x
    x = 51,944,576,798.73/263,635.39
  6. Step 6: Final answer
    x = 197,031.88

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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.