Home / 263,710.32-363,921.99-142,851.61

Finding the Fourth Proportional to 263,710.32, 363,921.99 and 142,851.61

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Solution

The fourth proportional to 263,710.32, 363,921.99 and 142,851.61 is: 197,136.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,710.32 : 363,921.99 = 142,851.61 : x
  2. Step 2: Convert to fraction form
    263,710.32/363,921.99 = 142,851.61/x
  3. Step 3: Cross multiply
    263,710.32x = 363,921.99 × 142,851.61
  4. Step 4: Simplify right side
    263,710.32x = 51,986,842,185.90
  5. Step 5: Solve for x
    x = 51,986,842,185.90/263,710.32
  6. Step 6: Final answer
    x = 197,136.17

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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.