Home / 142,682.16-196,884.51-82,272.66

Finding the Fourth Proportional to 142,682.16, 196,884.51 and 82,272.66

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Solution

The fourth proportional to 142,682.16, 196,884.51 and 82,272.66 is: 113,526.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,682.16 : 196,884.51 = 82,272.66 : x
  2. Step 2: Convert to fraction form
    142,682.16/196,884.51 = 82,272.66/x
  3. Step 3: Cross multiply
    142,682.16x = 196,884.51 × 82,272.66
  4. Step 4: Simplify right side
    142,682.16x = 16,198,212,350.50
  5. Step 5: Solve for x
    x = 16,198,212,350.50/142,682.16
  6. Step 6: Final answer
    x = 113,526.54

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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.