Home / 165,621.82-248,438.58-53,286.88

Finding the Fourth Proportional to 165,621.82, 248,438.58 and 53,286.88

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Solution

The fourth proportional to 165,621.82, 248,438.58 and 53,286.88 is: 79,932.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,621.82 : 248,438.58 = 53,286.88 : x
  2. Step 2: Convert to fraction form
    165,621.82/248,438.58 = 53,286.88/x
  3. Step 3: Cross multiply
    165,621.82x = 248,438.58 × 53,286.88
  4. Step 4: Simplify right side
    165,621.82x = 13,238,516,799.83
  5. Step 5: Solve for x
    x = 13,238,516,799.83/165,621.82
  6. Step 6: Final answer
    x = 79,932.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.