Home / 197,242.50-272,194.68-107,818.50

Finding the Fourth Proportional to 197,242.50, 272,194.68 and 107,818.50

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Solution

The fourth proportional to 197,242.50, 272,194.68 and 107,818.50 is: 148,789.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,242.50 : 272,194.68 = 107,818.50 : x
  2. Step 2: Convert to fraction form
    197,242.50/272,194.68 = 107,818.50/x
  3. Step 3: Cross multiply
    197,242.50x = 272,194.68 × 107,818.50
  4. Step 4: Simplify right side
    197,242.50x = 29,347,622,105.58
  5. Step 5: Solve for x
    x = 29,347,622,105.58/197,242.50
  6. Step 6: Final answer
    x = 148,789.55

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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.