Home / 197,680.52-272,788.31-115,997.77

Finding the Fourth Proportional to 197,680.52, 272,788.31 and 115,997.77

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Solution

The fourth proportional to 197,680.52, 272,788.31 and 115,997.77 is: 160,070.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,680.52 : 272,788.31 = 115,997.77 : x
  2. Step 2: Convert to fraction form
    197,680.52/272,788.31 = 115,997.77/x
  3. Step 3: Cross multiply
    197,680.52x = 272,788.31 × 115,997.77
  4. Step 4: Simplify right side
    197,680.52x = 31,642,835,062.08
  5. Step 5: Solve for x
    x = 31,642,835,062.08/197,680.52
  6. Step 6: Final answer
    x = 160,070.58

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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.