Home / 240,353.85-331,674.80-131,436.57

Finding the Fourth Proportional to 240,353.85, 331,674.80 and 131,436.57

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Solution

The fourth proportional to 240,353.85, 331,674.80 and 131,436.57 is: 181,375.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,353.85 : 331,674.80 = 131,436.57 : x
  2. Step 2: Convert to fraction form
    240,353.85/331,674.80 = 131,436.57/x
  3. Step 3: Cross multiply
    240,353.85x = 331,674.80 × 131,436.57
  4. Step 4: Simplify right side
    240,353.85x = 43,594,198,396.03
  5. Step 5: Solve for x
    x = 43,594,198,396.03/240,353.85
  6. Step 6: Final answer
    x = 181,375.08

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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.