Home / 131,868.14-197,833.32-43,121.30

Finding the Fourth Proportional to 131,868.14, 197,833.32 and 43,121.30

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Solution

The fourth proportional to 131,868.14, 197,833.32 and 43,121.30 is: 64,692.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,868.14 : 197,833.32 = 43,121.30 : x
  2. Step 2: Convert to fraction form
    131,868.14/197,833.32 = 43,121.30/x
  3. Step 3: Cross multiply
    131,868.14x = 197,833.32 × 43,121.30
  4. Step 4: Simplify right side
    131,868.14x = 8,530,828,952.55
  5. Step 5: Solve for x
    x = 8,530,828,952.55/131,868.14
  6. Step 6: Final answer
    x = 64,692.12

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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.