Home / 137,624.20-206,436.94-37,785.80

Finding the Fourth Proportional to 137,624.20, 206,436.94 and 37,785.80

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Solution

The fourth proportional to 137,624.20, 206,436.94 and 37,785.80 is: 56,678.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,624.20 : 206,436.94 = 37,785.80 : x
  2. Step 2: Convert to fraction form
    137,624.20/206,436.94 = 37,785.80/x
  3. Step 3: Cross multiply
    137,624.20x = 206,436.94 × 37,785.80
  4. Step 4: Simplify right side
    137,624.20x = 7,800,384,927.45
  5. Step 5: Solve for x
    x = 7,800,384,927.45/137,624.20
  6. Step 6: Final answer
    x = 56,678.88

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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.