Home / 142,560.54-196,748.19-82,133.46

Finding the Fourth Proportional to 142,560.54, 196,748.19 and 82,133.46

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Solution

The fourth proportional to 142,560.54, 196,748.19 and 82,133.46 is: 113,352.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,560.54 : 196,748.19 = 82,133.46 : x
  2. Step 2: Convert to fraction form
    142,560.54/196,748.19 = 82,133.46/x
  3. Step 3: Cross multiply
    142,560.54x = 196,748.19 × 82,133.46
  4. Step 4: Simplify right side
    142,560.54x = 16,159,609,593.44
  5. Step 5: Solve for x
    x = 16,159,609,593.44/142,560.54
  6. Step 6: Final answer
    x = 113,352.61

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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.