Home / 181,659.78-250,725.20-120,297.83

Finding the Fourth Proportional to 181,659.78, 250,725.20 and 120,297.83

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Solution

The fourth proportional to 181,659.78, 250,725.20 and 120,297.83 is: 166,033.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,659.78 : 250,725.20 = 120,297.83 : x
  2. Step 2: Convert to fraction form
    181,659.78/250,725.20 = 120,297.83/x
  3. Step 3: Cross multiply
    181,659.78x = 250,725.20 × 120,297.83
  4. Step 4: Simplify right side
    181,659.78x = 30,161,695,631.20
  5. Step 5: Solve for x
    x = 30,161,695,631.20/181,659.78
  6. Step 6: Final answer
    x = 166,033.98

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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.