Home / 194,845.80-292,106.70-82,612.20

Finding the Fourth Proportional to 194,845.80, 292,106.70 and 82,612.20

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Solution

The fourth proportional to 194,845.80, 292,106.70 and 82,612.20 is: 123,849.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,845.80 : 292,106.70 = 82,612.20 : x
  2. Step 2: Convert to fraction form
    194,845.80/292,106.70 = 82,612.20/x
  3. Step 3: Cross multiply
    194,845.80x = 292,106.70 × 82,612.20
  4. Step 4: Simplify right side
    194,845.80x = 24,131,577,121.74
  5. Step 5: Solve for x
    x = 24,131,577,121.74/194,845.80
  6. Step 6: Final answer
    x = 123,849.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.