Home / 166,128.10-249,230.31-47,800.42

Finding the Fourth Proportional to 166,128.10, 249,230.31 and 47,800.42

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Solution

The fourth proportional to 166,128.10, 249,230.31 and 47,800.42 is: 71,711.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,128.10 : 249,230.31 = 47,800.42 : x
  2. Step 2: Convert to fraction form
    166,128.10/249,230.31 = 47,800.42/x
  3. Step 3: Cross multiply
    166,128.10x = 249,230.31 × 47,800.42
  4. Step 4: Simplify right side
    166,128.10x = 11,913,313,494.73
  5. Step 5: Solve for x
    x = 11,913,313,494.73/166,128.10
  6. Step 6: Final answer
    x = 71,711.61

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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.