Home / 131,792.40-197,819.82-72,655.92

Finding the Fourth Proportional to 131,792.40, 197,819.82 and 72,655.92

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Solution

The fourth proportional to 131,792.40, 197,819.82 and 72,655.92 is: 109,056.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,792.40 : 197,819.82 = 72,655.92 : x
  2. Step 2: Convert to fraction form
    131,792.40/197,819.82 = 72,655.92/x
  3. Step 3: Cross multiply
    131,792.40x = 197,819.82 × 72,655.92
  4. Step 4: Simplify right side
    131,792.40x = 14,372,781,016.33
  5. Step 5: Solve for x
    x = 14,372,781,016.33/131,792.40
  6. Step 6: Final answer
    x = 109,056.22

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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.