Home / 166,103.11-229,219.09-90,652.15

Finding the Fourth Proportional to 166,103.11, 229,219.09 and 90,652.15

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Solution

The fourth proportional to 166,103.11, 229,219.09 and 90,652.15 is: 125,098.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,103.11 : 229,219.09 = 90,652.15 : x
  2. Step 2: Convert to fraction form
    166,103.11/229,219.09 = 90,652.15/x
  3. Step 3: Cross multiply
    166,103.11x = 229,219.09 × 90,652.15
  4. Step 4: Simplify right side
    166,103.11x = 20,779,203,329.54
  5. Step 5: Solve for x
    x = 20,779,203,329.54/166,103.11
  6. Step 6: Final answer
    x = 125,098.22

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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.