Home / 263,523.40-363,662.21-142,664.60

Finding the Fourth Proportional to 263,523.40, 363,662.21 and 142,664.60

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Solution

The fourth proportional to 263,523.40, 363,662.21 and 142,664.60 is: 196,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,523.40 : 363,662.21 = 142,664.60 : x
  2. Step 2: Convert to fraction form
    263,523.40/363,662.21 = 142,664.60/x
  3. Step 3: Cross multiply
    263,523.40x = 363,662.21 × 142,664.60
  4. Step 4: Simplify right side
    263,523.40x = 51,881,723,011.44
  5. Step 5: Solve for x
    x = 51,881,723,011.44/263,523.40
  6. Step 6: Final answer
    x = 196,877.10

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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.