Home / 140,664.96-194,117.97-77,006.85

Finding the Fourth Proportional to 140,664.96, 194,117.97 and 77,006.85

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Solution

The fourth proportional to 140,664.96, 194,117.97 and 77,006.85 is: 106,269.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,664.96 : 194,117.97 = 77,006.85 : x
  2. Step 2: Convert to fraction form
    140,664.96/194,117.97 = 77,006.85/x
  3. Step 3: Cross multiply
    140,664.96x = 194,117.97 × 77,006.85
  4. Step 4: Simplify right side
    140,664.96x = 14,948,413,398.09
  5. Step 5: Solve for x
    x = 14,948,413,398.09/140,664.96
  6. Step 6: Final answer
    x = 106,269.63

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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.