Home / 197,776.50-272,932.89-107,132.47

Finding the Fourth Proportional to 197,776.50, 272,932.89 and 107,132.47

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Solution

The fourth proportional to 197,776.50, 272,932.89 and 107,132.47 is: 147,843.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,776.50 : 272,932.89 = 107,132.47 : x
  2. Step 2: Convert to fraction form
    197,776.50/272,932.89 = 107,132.47/x
  3. Step 3: Cross multiply
    197,776.50x = 272,932.89 × 107,132.47
  4. Step 4: Simplify right side
    197,776.50x = 29,239,973,431.94
  5. Step 5: Solve for x
    x = 29,239,973,431.94/197,776.50
  6. Step 6: Final answer
    x = 147,843.52

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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.