Home / 166,359.61-229,576.85-90,909.73

Finding the Fourth Proportional to 166,359.61, 229,576.85 and 90,909.73

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Solution

The fourth proportional to 166,359.61, 229,576.85 and 90,909.73 is: 125,455.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,359.61 : 229,576.85 = 90,909.73 : x
  2. Step 2: Convert to fraction form
    166,359.61/229,576.85 = 90,909.73/x
  3. Step 3: Cross multiply
    166,359.61x = 229,576.85 × 90,909.73
  4. Step 4: Simplify right side
    166,359.61x = 20,870,769,447.75
  5. Step 5: Solve for x
    x = 20,870,769,447.75/166,359.61
  6. Step 6: Final answer
    x = 125,455.75

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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.