Home / 231,108.48-319,067.20-146,298.24

Finding the Fourth Proportional to 231,108.48, 319,067.20 and 146,298.24

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Solution

The fourth proportional to 231,108.48, 319,067.20 and 146,298.24 is: 201,978.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,108.48 : 319,067.20 = 146,298.24 : x
  2. Step 2: Convert to fraction form
    231,108.48/319,067.20 = 146,298.24/x
  3. Step 3: Cross multiply
    231,108.48x = 319,067.20 × 146,298.24
  4. Step 4: Simplify right side
    231,108.48x = 46,678,969,801.73
  5. Step 5: Solve for x
    x = 46,678,969,801.73/231,108.48
  6. Step 6: Final answer
    x = 201,978.61

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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.