Home / 131,868.89-197,834.45-43,122.05

Finding the Fourth Proportional to 131,868.89, 197,834.45 and 43,122.05

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Solution

The fourth proportional to 131,868.89, 197,834.45 and 43,122.05 is: 64,693.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,868.89 : 197,834.45 = 43,122.05 : x
  2. Step 2: Convert to fraction form
    131,868.89/197,834.45 = 43,122.05/x
  3. Step 3: Cross multiply
    131,868.89x = 197,834.45 × 43,122.05
  4. Step 4: Simplify right side
    131,868.89x = 8,531,025,839.84
  5. Step 5: Solve for x
    x = 8,531,025,839.84/131,868.89
  6. Step 6: Final answer
    x = 64,693.24

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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.