Home / 240,181.20-331,451.37-131,285.69

Finding the Fourth Proportional to 240,181.20, 331,451.37 and 131,285.69

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Solution

The fourth proportional to 240,181.20, 331,451.37 and 131,285.69 is: 181,174.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,181.20 : 331,451.37 = 131,285.69 : x
  2. Step 2: Convert to fraction form
    240,181.20/331,451.37 = 131,285.69/x
  3. Step 3: Cross multiply
    240,181.20x = 331,451.37 × 131,285.69
  4. Step 4: Simplify right side
    240,181.20x = 43,514,820,905.26
  5. Step 5: Solve for x
    x = 43,514,820,905.26/240,181.20
  6. Step 6: Final answer
    x = 181,174.96

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1.5x scale

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.