Home / 140,996.90-194,582.85-77,340.62

Finding the Fourth Proportional to 140,996.90, 194,582.85 and 77,340.62

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Solution

The fourth proportional to 140,996.90, 194,582.85 and 77,340.62 is: 106,733.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,996.90 : 194,582.85 = 77,340.62 : x
  2. Step 2: Convert to fraction form
    140,996.90/194,582.85 = 77,340.62/x
  3. Step 3: Cross multiply
    140,996.90x = 194,582.85 × 77,340.62
  4. Step 4: Simplify right side
    140,996.90x = 15,049,158,260.37
  5. Step 5: Solve for x
    x = 15,049,158,260.37/140,996.90
  6. Step 6: Final answer
    x = 106,733.97

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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.