Home / 154,514.91-231,808.31-47,893.21

Finding the Fourth Proportional to 154,514.91, 231,808.31 and 47,893.21

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Solution

The fourth proportional to 154,514.91, 231,808.31 and 47,893.21 is: 71,850.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,514.91 : 231,808.31 = 47,893.21 : x
  2. Step 2: Convert to fraction form
    154,514.91/231,808.31 = 47,893.21/x
  3. Step 3: Cross multiply
    154,514.91x = 231,808.31 × 47,893.21
  4. Step 4: Simplify right side
    154,514.91x = 11,102,044,070.58
  5. Step 5: Solve for x
    x = 11,102,044,070.58/154,514.91
  6. Step 6: Final answer
    x = 71,850.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.