Home / 187,469.61-258,438.92-133,661.25

Finding the Fourth Proportional to 187,469.61, 258,438.92 and 133,661.25

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Solution

The fourth proportional to 187,469.61, 258,438.92 and 133,661.25 is: 184,260.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,469.61 : 258,438.92 = 133,661.25 : x
  2. Step 2: Convert to fraction form
    187,469.61/258,438.92 = 133,661.25/x
  3. Step 3: Cross multiply
    187,469.61x = 258,438.92 × 133,661.25
  4. Step 4: Simplify right side
    187,469.61x = 34,543,268,427.54
  5. Step 5: Solve for x
    x = 34,543,268,427.54/187,469.61
  6. Step 6: Final answer
    x = 184,260.63

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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.