Home / 131,503.11-197,129.79-42,694.44

Finding the Fourth Proportional to 131,503.11, 197,129.79 and 42,694.44

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Solution

The fourth proportional to 131,503.11, 197,129.79 and 42,694.44 is: 64,001.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,503.11 : 197,129.79 = 42,694.44 : x
  2. Step 2: Convert to fraction form
    131,503.11/197,129.79 = 42,694.44/x
  3. Step 3: Cross multiply
    131,503.11x = 197,129.79 × 42,694.44
  4. Step 4: Simplify right side
    131,503.11x = 8,416,345,991.37
  5. Step 5: Solve for x
    x = 8,416,345,991.37/131,503.11
  6. Step 6: Final answer
    x = 64,001.12

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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.