Home / 239,915.10-331,076.46-131,022.37

Finding the Fourth Proportional to 239,915.10, 331,076.46 and 131,022.37

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Solution

The fourth proportional to 239,915.10, 331,076.46 and 131,022.37 is: 180,807.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,915.10 : 331,076.46 = 131,022.37 : x
  2. Step 2: Convert to fraction form
    239,915.10/331,076.46 = 131,022.37/x
  3. Step 3: Cross multiply
    239,915.10x = 331,076.46 × 131,022.37
  4. Step 4: Simplify right side
    239,915.10x = 43,378,423,396.60
  5. Step 5: Solve for x
    x = 43,378,423,396.60/239,915.10
  6. Step 6: Final answer
    x = 180,807.39

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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.