Home / 166,645-229,974.96-91,198.36

Finding the Fourth Proportional to 166,645, 229,974.96 and 91,198.36

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Solution

The fourth proportional to 166,645, 229,974.96 and 91,198.36 is: 125,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,645 : 229,974.96 = 91,198.36 : x
  2. Step 2: Convert to fraction form
    166,645/229,974.96 = 91,198.36/x
  3. Step 3: Cross multiply
    166,645x = 229,974.96 × 91,198.36
  4. Step 4: Simplify right side
    166,645x = 20,973,339,193.07
  5. Step 5: Solve for x
    x = 20,973,339,193.07/166,645
  6. Step 6: Final answer
    x = 125,856.40

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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.