Home / 166,103.61-229,219.79-90,652.65

Finding the Fourth Proportional to 166,103.61, 229,219.79 and 90,652.65

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Solution

The fourth proportional to 166,103.61, 229,219.79 and 90,652.65 is: 125,098.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,103.61 : 229,219.79 = 90,652.65 : x
  2. Step 2: Convert to fraction form
    166,103.61/229,219.79 = 90,652.65/x
  3. Step 3: Cross multiply
    166,103.61x = 229,219.79 × 90,652.65
  4. Step 4: Simplify right side
    166,103.61x = 20,779,380,942.68
  5. Step 5: Solve for x
    x = 20,779,380,942.68/166,103.61
  6. Step 6: Final answer
    x = 125,098.91

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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.