Home / 197,731.41-296,503.89-71,355.15

Finding the Fourth Proportional to 197,731.41, 296,503.89 and 71,355.15

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Solution

The fourth proportional to 197,731.41, 296,503.89 and 71,355.15 is: 106,999.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,731.41 : 296,503.89 = 71,355.15 : x
  2. Step 2: Convert to fraction form
    197,731.41/296,503.89 = 71,355.15/x
  3. Step 3: Cross multiply
    197,731.41x = 296,503.89 × 71,355.15
  4. Step 4: Simplify right side
    197,731.41x = 21,157,079,546.53
  5. Step 5: Solve for x
    x = 21,157,079,546.53/197,731.41
  6. Step 6: Final answer
    x = 106,999.08

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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.