Home / 187,091.75-258,180.85-106,530.77

Finding the Fourth Proportional to 187,091.75, 258,180.85 and 106,530.77

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Solution

The fourth proportional to 187,091.75, 258,180.85 and 106,530.77 is: 147,009.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,091.75 : 258,180.85 = 106,530.77 : x
  2. Step 2: Convert to fraction form
    187,091.75/258,180.85 = 106,530.77/x
  3. Step 3: Cross multiply
    187,091.75x = 258,180.85 × 106,530.77
  4. Step 4: Simplify right side
    187,091.75x = 27,504,205,528.37
  5. Step 5: Solve for x
    x = 27,504,205,528.37/187,091.75
  6. Step 6: Final answer
    x = 147,009.18

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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.