Home / 166,450.20-249,701.96-54,121.76

Finding the Fourth Proportional to 166,450.20, 249,701.96 and 54,121.76

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Solution

The fourth proportional to 166,450.20, 249,701.96 and 54,121.76 is: 81,191.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,450.20 : 249,701.96 = 54,121.76 : x
  2. Step 2: Convert to fraction form
    166,450.20/249,701.96 = 54,121.76/x
  3. Step 3: Cross multiply
    166,450.20x = 249,701.96 × 54,121.76
  4. Step 4: Simplify right side
    166,450.20x = 13,514,309,550.65
  5. Step 5: Solve for x
    x = 13,514,309,550.65/166,450.20
  6. Step 6: Final answer
    x = 81,191.31

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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.