Home / 140,578.74-194,001.46-76,917.89

Finding the Fourth Proportional to 140,578.74, 194,001.46 and 76,917.89

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Solution

The fourth proportional to 140,578.74, 194,001.46 and 76,917.89 is: 106,148.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,578.74 : 194,001.46 = 76,917.89 : x
  2. Step 2: Convert to fraction form
    140,578.74/194,001.46 = 76,917.89/x
  3. Step 3: Cross multiply
    140,578.74x = 194,001.46 × 76,917.89
  4. Step 4: Simplify right side
    140,578.74x = 14,922,183,252.83
  5. Step 5: Solve for x
    x = 14,922,183,252.83/140,578.74
  6. Step 6: Final answer
    x = 106,148.22

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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.