Home / 263,648.72-363,833.43-142,787.25

Finding the Fourth Proportional to 263,648.72, 363,833.43 and 142,787.25

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Solution

The fourth proportional to 263,648.72, 363,833.43 and 142,787.25 is: 197,045.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,648.72 : 363,833.43 = 142,787.25 : x
  2. Step 2: Convert to fraction form
    263,648.72/363,833.43 = 142,787.25/x
  3. Step 3: Cross multiply
    263,648.72x = 363,833.43 × 142,787.25
  4. Step 4: Simplify right side
    263,648.72x = 51,950,774,927.77
  5. Step 5: Solve for x
    x = 51,950,774,927.77/263,648.72
  6. Step 6: Final answer
    x = 197,045.43

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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.