Home / 263,619.11-363,794.72-142,760.59

Finding the Fourth Proportional to 263,619.11, 363,794.72 and 142,760.59

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Solution

The fourth proportional to 263,619.11, 363,794.72 and 142,760.59 is: 197,009.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,619.11 : 363,794.72 = 142,760.59 : x
  2. Step 2: Convert to fraction form
    263,619.11/363,794.72 = 142,760.59/x
  3. Step 3: Cross multiply
    263,619.11x = 363,794.72 × 142,760.59
  4. Step 4: Simplify right side
    263,619.11x = 51,935,548,866.08
  5. Step 5: Solve for x
    x = 51,935,548,866.08/263,619.11
  6. Step 6: Final answer
    x = 197,009.80

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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.