Home / 166,114.28-249,162.71-47,780.97

Finding the Fourth Proportional to 166,114.28, 249,162.71 and 47,780.97

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Solution

The fourth proportional to 166,114.28, 249,162.71 and 47,780.97 is: 71,668.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,114.28 : 249,162.71 = 47,780.97 : x
  2. Step 2: Convert to fraction form
    166,114.28/249,162.71 = 47,780.97/x
  3. Step 3: Cross multiply
    166,114.28x = 249,162.71 × 47,780.97
  4. Step 4: Simplify right side
    166,114.28x = 11,905,235,732.72
  5. Step 5: Solve for x
    x = 11,905,235,732.72/166,114.28
  6. Step 6: Final answer
    x = 71,668.95

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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.