Home / 263,648.91-363,833.69-142,787.43

Finding the Fourth Proportional to 263,648.91, 363,833.69 and 142,787.43

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Solution

The fourth proportional to 263,648.91, 363,833.69 and 142,787.43 is: 197,045.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,648.91 : 363,833.69 = 142,787.43 : x
  2. Step 2: Convert to fraction form
    263,648.91/363,833.69 = 142,787.43/x
  3. Step 3: Cross multiply
    263,648.91x = 363,833.69 × 142,787.43
  4. Step 4: Simplify right side
    263,648.91x = 51,950,878,728.41
  5. Step 5: Solve for x
    x = 51,950,878,728.41/263,648.91
  6. Step 6: Final answer
    x = 197,045.68

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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.