Home / 110,952.40-166,234.20-91,123.60

Finding the Fourth Proportional to 110,952.40, 166,234.20 and 91,123.60

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Solution

The fourth proportional to 110,952.40, 166,234.20 and 91,123.60 is: 136,525.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,952.40 : 166,234.20 = 91,123.60 : x
  2. Step 2: Convert to fraction form
    110,952.40/166,234.20 = 91,123.60/x
  3. Step 3: Cross multiply
    110,952.40x = 166,234.20 × 91,123.60
  4. Step 4: Simplify right side
    110,952.40x = 15,147,858,747.12
  5. Step 5: Solve for x
    x = 15,147,858,747.12/110,952.40
  6. Step 6: Final answer
    x = 136,525.74

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1.5x scale

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.