Home / 187,291.89-258,479.69-106,745.36

Finding the Fourth Proportional to 187,291.89, 258,479.69 and 106,745.36

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Solution

The fourth proportional to 187,291.89, 258,479.69 and 106,745.36 is: 147,318.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,291.89 : 258,479.69 = 106,745.36 : x
  2. Step 2: Convert to fraction form
    187,291.89/258,479.69 = 106,745.36/x
  3. Step 3: Cross multiply
    187,291.89x = 258,479.69 × 106,745.36
  4. Step 4: Simplify right side
    187,291.89x = 27,591,507,561.74
  5. Step 5: Solve for x
    x = 27,591,507,561.74/187,291.89
  6. Step 6: Final answer
    x = 147,318.22

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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.