Home / 239,213.85-330,123.56-131,792.05

Finding the Fourth Proportional to 239,213.85, 330,123.56 and 131,792.05

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Solution

The fourth proportional to 239,213.85, 330,123.56 and 131,792.05 is: 181,877.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,213.85 : 330,123.56 = 131,792.05 : x
  2. Step 2: Convert to fraction form
    239,213.85/330,123.56 = 131,792.05/x
  3. Step 3: Cross multiply
    239,213.85x = 330,123.56 × 131,792.05
  4. Step 4: Simplify right side
    239,213.85x = 43,507,660,725.70
  5. Step 5: Solve for x
    x = 43,507,660,725.70/239,213.85
  6. Step 6: Final answer
    x = 181,877.68

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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.