Home / 240,550.38-331,954.29-131,654.19

Finding the Fourth Proportional to 240,550.38, 331,954.29 and 131,654.19

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Solution

The fourth proportional to 240,550.38, 331,954.29 and 131,654.19 is: 181,679.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,550.38 : 331,954.29 = 131,654.19 : x
  2. Step 2: Convert to fraction form
    240,550.38/331,954.29 = 131,654.19/x
  3. Step 3: Cross multiply
    240,550.38x = 331,954.29 × 131,654.19
  4. Step 4: Simplify right side
    240,550.38x = 43,703,173,166.98
  5. Step 5: Solve for x
    x = 43,703,173,166.98/240,550.38
  6. Step 6: Final answer
    x = 181,679.92

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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.