Home / 136,025.24-187,661.07-78,654.02

Finding the Fourth Proportional to 136,025.24, 187,661.07 and 78,654.02

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Solution

The fourth proportional to 136,025.24, 187,661.07 and 78,654.02 is: 108,511.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,025.24 : 187,661.07 = 78,654.02 : x
  2. Step 2: Convert to fraction form
    136,025.24/187,661.07 = 78,654.02/x
  3. Step 3: Cross multiply
    136,025.24x = 187,661.07 × 78,654.02
  4. Step 4: Simplify right side
    136,025.24x = 14,760,297,553.00
  5. Step 5: Solve for x
    x = 14,760,297,553.00/136,025.24
  6. Step 6: Final answer
    x = 108,511.46

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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.