Home / 197,195.79-272,185.92-116,651.31

Finding the Fourth Proportional to 197,195.79, 272,185.92 and 116,651.31

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Solution

The fourth proportional to 197,195.79, 272,185.92 and 116,651.31 is: 161,011.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,195.79 : 272,185.92 = 116,651.31 : x
  2. Step 2: Convert to fraction form
    197,195.79/272,185.92 = 116,651.31/x
  3. Step 3: Cross multiply
    197,195.79x = 272,185.92 × 116,651.31
  4. Step 4: Simplify right side
    197,195.79x = 31,750,844,131.56
  5. Step 5: Solve for x
    x = 31,750,844,131.56/197,195.79
  6. Step 6: Final answer
    x = 161,011.77

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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.