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Finding the Fourth Proportional to 137,325.58, 206,100.11 and 70,784.75

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Solution

The fourth proportional to 137,325.58, 206,100.11 and 70,784.75 is: 106,234.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,325.58 : 206,100.11 = 70,784.75 : x
  2. Step 2: Convert to fraction form
    137,325.58/206,100.11 = 70,784.75/x
  3. Step 3: Cross multiply
    137,325.58x = 206,100.11 × 70,784.75
  4. Step 4: Simplify right side
    137,325.58x = 14,588,745,453.53
  5. Step 5: Solve for x
    x = 14,588,745,453.53/137,325.58
  6. Step 6: Final answer
    x = 106,234.73

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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.