Home / 131,432.60-197,183.48-68,256.92

Finding the Fourth Proportional to 131,432.60, 197,183.48 and 68,256.92

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Solution

The fourth proportional to 131,432.60, 197,183.48 and 68,256.92 is: 102,403.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,432.60 : 197,183.48 = 68,256.92 : x
  2. Step 2: Convert to fraction form
    131,432.60/197,183.48 = 68,256.92/x
  3. Step 3: Cross multiply
    131,432.60x = 197,183.48 × 68,256.92
  4. Step 4: Simplify right side
    131,432.60x = 13,459,137,019.68
  5. Step 5: Solve for x
    x = 13,459,137,019.68/131,432.60
  6. Step 6: Final answer
    x = 102,403.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.