Home / 166,769.10-249,932.49-87,939.12

Finding the Fourth Proportional to 166,769.10, 249,932.49 and 87,939.12

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Solution

The fourth proportional to 166,769.10, 249,932.49 and 87,939.12 is: 131,792.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,769.10 : 249,932.49 = 87,939.12 : x
  2. Step 2: Convert to fraction form
    166,769.10/249,932.49 = 87,939.12/x
  3. Step 3: Cross multiply
    166,769.10x = 249,932.49 × 87,939.12
  4. Step 4: Simplify right side
    166,769.10x = 21,978,843,230.01
  5. Step 5: Solve for x
    x = 21,978,843,230.01/166,769.10
  6. Step 6: Final answer
    x = 131,792.06

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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.