Home / 181,271.12-250,153.92-100,706.09

Finding the Fourth Proportional to 181,271.12, 250,153.92 and 100,706.09

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Solution

The fourth proportional to 181,271.12, 250,153.92 and 100,706.09 is: 138,974.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,271.12 : 250,153.92 = 100,706.09 : x
  2. Step 2: Convert to fraction form
    181,271.12/250,153.92 = 100,706.09/x
  3. Step 3: Cross multiply
    181,271.12x = 250,153.92 × 100,706.09
  4. Step 4: Simplify right side
    181,271.12x = 25,192,021,930.60
  5. Step 5: Solve for x
    x = 25,192,021,930.60/181,271.12
  6. Step 6: Final answer
    x = 138,974.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.