Home / 240,012.62-331,217.60-131,118.45

Finding the Fourth Proportional to 240,012.62, 331,217.60 and 131,118.45

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Solution

The fourth proportional to 240,012.62, 331,217.60 and 131,118.45 is: 180,943.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,012.62 : 331,217.60 = 131,118.45 : x
  2. Step 2: Convert to fraction form
    240,012.62/331,217.60 = 131,118.45/x
  3. Step 3: Cross multiply
    240,012.62x = 331,217.60 × 131,118.45
  4. Step 4: Simplify right side
    240,012.62x = 43,428,737,669.13
  5. Step 5: Solve for x
    x = 43,428,737,669.13/240,012.62
  6. Step 6: Final answer
    x = 180,943.56

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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.