Home / 131,736.64-197,625.61-42,969.65

Finding the Fourth Proportional to 131,736.64, 197,625.61 and 42,969.65

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Solution

The fourth proportional to 131,736.64, 197,625.61 and 42,969.65 is: 64,461.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,736.64 : 197,625.61 = 42,969.65 : x
  2. Step 2: Convert to fraction form
    131,736.64/197,625.61 = 42,969.65/x
  3. Step 3: Cross multiply
    131,736.64x = 197,625.61 × 42,969.65
  4. Step 4: Simplify right side
    131,736.64x = 8,491,902,906.10
  5. Step 5: Solve for x
    x = 8,491,902,906.10/131,736.64
  6. Step 6: Final answer
    x = 64,461.21

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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.