Home / 197,334.92-272,316.66-107,909

Finding the Fourth Proportional to 197,334.92, 272,316.66 and 107,909

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Solution

The fourth proportional to 197,334.92, 272,316.66 and 107,909 is: 148,911.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,334.92 : 272,316.66 = 107,909 : x
  2. Step 2: Convert to fraction form
    197,334.92/272,316.66 = 107,909/x
  3. Step 3: Cross multiply
    197,334.92x = 272,316.66 × 107,909
  4. Step 4: Simplify right side
    197,334.92x = 29,385,418,463.94
  5. Step 5: Solve for x
    x = 29,385,418,463.94/197,334.92
  6. Step 6: Final answer
    x = 148,911.40

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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.