Home / 263,399.18-363,490.88-142,540.46

Finding the Fourth Proportional to 263,399.18, 363,490.88 and 142,540.46

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Solution

The fourth proportional to 263,399.18, 363,490.88 and 142,540.46 is: 196,705.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,399.18 : 363,490.88 = 142,540.46 : x
  2. Step 2: Convert to fraction form
    263,399.18/363,490.88 = 142,540.46/x
  3. Step 3: Cross multiply
    263,399.18x = 363,490.88 × 142,540.46
  4. Step 4: Simplify right side
    263,399.18x = 51,812,157,241.00
  5. Step 5: Solve for x
    x = 51,812,157,241.00/263,399.18
  6. Step 6: Final answer
    x = 196,705.84

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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.