Home / 197,678.76-272,795.52-107,032.85

Finding the Fourth Proportional to 197,678.76, 272,795.52 and 107,032.85

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Solution

The fourth proportional to 197,678.76, 272,795.52 and 107,032.85 is: 147,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,678.76 : 272,795.52 = 107,032.85 : x
  2. Step 2: Convert to fraction form
    197,678.76/272,795.52 = 107,032.85/x
  3. Step 3: Cross multiply
    197,678.76x = 272,795.52 × 107,032.85
  4. Step 4: Simplify right side
    197,678.76x = 29,198,081,972.83
  5. Step 5: Solve for x
    x = 29,198,081,972.83/197,678.76
  6. Step 6: Final answer
    x = 147,704.70

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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.