Home / 142,664.34-196,869.66-82,231.32

Finding the Fourth Proportional to 142,664.34, 196,869.66 and 82,231.32

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Solution

The fourth proportional to 142,664.34, 196,869.66 and 82,231.32 is: 113,475.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,664.34 : 196,869.66 = 82,231.32 : x
  2. Step 2: Convert to fraction form
    142,664.34/196,869.66 = 82,231.32/x
  3. Step 3: Cross multiply
    142,664.34x = 196,869.66 × 82,231.32
  4. Step 4: Simplify right side
    142,664.34x = 16,188,851,230.98
  5. Step 5: Solve for x
    x = 16,188,851,230.98/142,664.34
  6. Step 6: Final answer
    x = 113,475.11

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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.