Home / 232,123.78-348,216.66-91,849.60

Finding the Fourth Proportional to 232,123.78, 348,216.66 and 91,849.60

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Solution

The fourth proportional to 232,123.78, 348,216.66 and 91,849.60 is: 137,786.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,123.78 : 348,216.66 = 91,849.60 : x
  2. Step 2: Convert to fraction form
    232,123.78/348,216.66 = 91,849.60/x
  3. Step 3: Cross multiply
    232,123.78x = 348,216.66 × 91,849.60
  4. Step 4: Simplify right side
    232,123.78x = 31,983,560,475.09
  5. Step 5: Solve for x
    x = 31,983,560,475.09/232,123.78
  6. Step 6: Final answer
    x = 137,786.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.