Home / 140,610.73-194,042.30-76,079.77

Finding the Fourth Proportional to 140,610.73, 194,042.30 and 76,079.77

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Solution

The fourth proportional to 140,610.73, 194,042.30 and 76,079.77 is: 104,989.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,610.73 : 194,042.30 = 76,079.77 : x
  2. Step 2: Convert to fraction form
    140,610.73/194,042.30 = 76,079.77/x
  3. Step 3: Cross multiply
    140,610.73x = 194,042.30 × 76,079.77
  4. Step 4: Simplify right side
    140,610.73x = 14,762,693,173.87
  5. Step 5: Solve for x
    x = 14,762,693,173.87/140,610.73
  6. Step 6: Final answer
    x = 104,989.81

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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.