Home / 197,143.27-272,057.46-106,499.20

Finding the Fourth Proportional to 197,143.27, 272,057.46 and 106,499.20

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Solution

The fourth proportional to 197,143.27, 272,057.46 and 106,499.20 is: 146,968.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,143.27 : 272,057.46 = 106,499.20 : x
  2. Step 2: Convert to fraction form
    197,143.27/272,057.46 = 106,499.20/x
  3. Step 3: Cross multiply
    197,143.27x = 272,057.46 × 106,499.20
  4. Step 4: Simplify right side
    197,143.27x = 28,973,901,844.03
  5. Step 5: Solve for x
    x = 28,973,901,844.03/197,143.27
  6. Step 6: Final answer
    x = 146,968.76

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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.