Home / 109,696.37-151,379.10-61,299.05

Finding the Fourth Proportional to 109,696.37, 151,379.10 and 61,299.05

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Solution

The fourth proportional to 109,696.37, 151,379.10 and 61,299.05 is: 84,591.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,696.37 : 151,379.10 = 61,299.05 : x
  2. Step 2: Convert to fraction form
    109,696.37/151,379.10 = 61,299.05/x
  3. Step 3: Cross multiply
    109,696.37x = 151,379.10 × 61,299.05
  4. Step 4: Simplify right side
    109,696.37x = 9,279,394,262.96
  5. Step 5: Solve for x
    x = 9,279,394,262.96/109,696.37
  6. Step 6: Final answer
    x = 84,591.63

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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.