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Finding the Fourth Proportional to 197,336.66, 272,320.53 and 107,912.66

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Solution

The fourth proportional to 197,336.66, 272,320.53 and 107,912.66 is: 148,917.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,336.66 : 272,320.53 = 107,912.66 : x
  2. Step 2: Convert to fraction form
    197,336.66/272,320.53 = 107,912.66/x
  3. Step 3: Cross multiply
    197,336.66x = 272,320.53 × 107,912.66
  4. Step 4: Simplify right side
    197,336.66x = 29,386,832,764.91
  5. Step 5: Solve for x
    x = 29,386,832,764.91/197,336.66
  6. Step 6: Final answer
    x = 148,917.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.