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Finding the Fourth Proportional to 166,135, 249,244.08 and 47,803.72

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Solution

The fourth proportional to 166,135, 249,244.08 and 47,803.72 is: 71,717.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,135 : 249,244.08 = 47,803.72 : x
  2. Step 2: Convert to fraction form
    166,135/249,244.08 = 47,803.72/x
  3. Step 3: Cross multiply
    166,135x = 249,244.08 × 47,803.72
  4. Step 4: Simplify right side
    166,135x = 11,914,794,211.98
  5. Step 5: Solve for x
    x = 11,914,794,211.98/166,135
  6. Step 6: Final answer
    x = 71,717.54

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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.