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Finding the Fourth Proportional to 166,624.80, 249,623.30 and 82,286.24

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Solution

The fourth proportional to 166,624.80, 249,623.30 and 82,286.24 is: 123,274.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,624.80 : 249,623.30 = 82,286.24 : x
  2. Step 2: Convert to fraction form
    166,624.80/249,623.30 = 82,286.24/x
  3. Step 3: Cross multiply
    166,624.80x = 249,623.30 × 82,286.24
  4. Step 4: Simplify right side
    166,624.80x = 20,540,562,773.39
  5. Step 5: Solve for x
    x = 20,540,562,773.39/166,624.80
  6. Step 6: Final answer
    x = 123,274.34

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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.