Home / 142,922.27-197,218.51-82,512.41

Finding the Fourth Proportional to 142,922.27, 197,218.51 and 82,512.41

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Solution

The fourth proportional to 142,922.27, 197,218.51 and 82,512.41 is: 113,858.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,922.27 : 197,218.51 = 82,512.41 : x
  2. Step 2: Convert to fraction form
    142,922.27/197,218.51 = 82,512.41/x
  3. Step 3: Cross multiply
    142,922.27x = 197,218.51 × 82,512.41
  4. Step 4: Simplify right side
    142,922.27x = 16,272,975,152.90
  5. Step 5: Solve for x
    x = 16,272,975,152.90/142,922.27
  6. Step 6: Final answer
    x = 113,858.92

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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.