Home / 102,481.83-152,703.92-91,302.61

Finding the Fourth Proportional to 102,481.83, 152,703.92 and 91,302.61

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Solution

The fourth proportional to 102,481.83, 152,703.92 and 91,302.61 is: 136,046.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,481.83 : 152,703.92 = 91,302.61 : x
  2. Step 2: Convert to fraction form
    102,481.83/152,703.92 = 91,302.61/x
  3. Step 3: Cross multiply
    102,481.83x = 152,703.92 × 91,302.61
  4. Step 4: Simplify right side
    102,481.83x = 13,942,266,453.23
  5. Step 5: Solve for x
    x = 13,942,266,453.23/102,481.83
  6. Step 6: Final answer
    x = 136,046.23

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.