Home / 143,848.88-198,514.14-80,179.94

Finding the Fourth Proportional to 143,848.88, 198,514.14 and 80,179.94

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Solution

The fourth proportional to 143,848.88, 198,514.14 and 80,179.94 is: 110,649.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,848.88 : 198,514.14 = 80,179.94 : x
  2. Step 2: Convert to fraction form
    143,848.88/198,514.14 = 80,179.94/x
  3. Step 3: Cross multiply
    143,848.88x = 198,514.14 × 80,179.94
  4. Step 4: Simplify right side
    143,848.88x = 15,916,851,834.35
  5. Step 5: Solve for x
    x = 15,916,851,834.35/143,848.88
  6. Step 6: Final answer
    x = 110,649.81

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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.