Home / 197,160.78-272,082.02-106,516.71

Finding the Fourth Proportional to 197,160.78, 272,082.02 and 106,516.71

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Solution

The fourth proportional to 197,160.78, 272,082.02 and 106,516.71 is: 146,993.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,160.78 : 272,082.02 = 106,516.71 : x
  2. Step 2: Convert to fraction form
    197,160.78/272,082.02 = 106,516.71/x
  3. Step 3: Cross multiply
    197,160.78x = 272,082.02 × 106,516.71
  4. Step 4: Simplify right side
    197,160.78x = 28,981,281,087.97
  5. Step 5: Solve for x
    x = 28,981,281,087.97/197,160.78
  6. Step 6: Final answer
    x = 146,993.13

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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.