Home / 142,946.10-197,233.92-82,512.90

Finding the Fourth Proportional to 142,946.10, 197,233.92 and 82,512.90

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Solution

The fourth proportional to 142,946.10, 197,233.92 and 82,512.90 is: 113,849.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,946.10 : 197,233.92 = 82,512.90 : x
  2. Step 2: Convert to fraction form
    142,946.10/197,233.92 = 82,512.90/x
  3. Step 3: Cross multiply
    142,946.10x = 197,233.92 × 82,512.90
  4. Step 4: Simplify right side
    142,946.10x = 16,274,342,717.57
  5. Step 5: Solve for x
    x = 16,274,342,717.57/142,946.10
  6. Step 6: Final answer
    x = 113,849.50

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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.