Home / 140,764.92-194,260.32-77,106.30

Finding the Fourth Proportional to 140,764.92, 194,260.32 and 77,106.30

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Solution

The fourth proportional to 140,764.92, 194,260.32 and 77,106.30 is: 106,409.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,764.92 : 194,260.32 = 77,106.30 : x
  2. Step 2: Convert to fraction form
    140,764.92/194,260.32 = 77,106.30/x
  3. Step 3: Cross multiply
    140,764.92x = 194,260.32 × 77,106.30
  4. Step 4: Simplify right side
    140,764.92x = 14,978,694,512.02
  5. Step 5: Solve for x
    x = 14,978,694,512.02/140,764.92
  6. Step 6: Final answer
    x = 106,409.29

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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.