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Finding the Fourth Proportional to 166,494.80, 249,742.20 and 95,344.40

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Solution

The fourth proportional to 166,494.80, 249,742.20 and 95,344.40 is: 143,016.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,494.80 : 249,742.20 = 95,344.40 : x
  2. Step 2: Convert to fraction form
    166,494.80/249,742.20 = 95,344.40/x
  3. Step 3: Cross multiply
    166,494.80x = 249,742.20 × 95,344.40
  4. Step 4: Simplify right side
    166,494.80x = 23,811,520,213.68
  5. Step 5: Solve for x
    x = 23,811,520,213.68/166,494.80
  6. Step 6: Final answer
    x = 143,016.60

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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.