Home / 197,144.31-272,059.40-106,500.27

Finding the Fourth Proportional to 197,144.31, 272,059.40 and 106,500.27

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Solution

The fourth proportional to 197,144.31, 272,059.40 and 106,500.27 is: 146,970.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,144.31 : 272,059.40 = 106,500.27 : x
  2. Step 2: Convert to fraction form
    197,144.31/272,059.40 = 106,500.27/x
  3. Step 3: Cross multiply
    197,144.31x = 272,059.40 × 106,500.27
  4. Step 4: Simplify right side
    197,144.31x = 28,974,399,556.04
  5. Step 5: Solve for x
    x = 28,974,399,556.04/197,144.31
  6. Step 6: Final answer
    x = 146,970.51

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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.