Home / 263,399.05-363,491.60-142,540.30

Finding the Fourth Proportional to 263,399.05, 363,491.60 and 142,540.30

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Solution

The fourth proportional to 263,399.05, 363,491.60 and 142,540.30 is: 196,706.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,399.05 : 363,491.60 = 142,540.30 : x
  2. Step 2: Convert to fraction form
    263,399.05/363,491.60 = 142,540.30/x
  3. Step 3: Cross multiply
    263,399.05x = 363,491.60 × 142,540.30
  4. Step 4: Simplify right side
    263,399.05x = 51,812,202,254.93
  5. Step 5: Solve for x
    x = 51,812,202,254.93/263,399.05
  6. Step 6: Final answer
    x = 196,706.11

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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.