Home / 187,171.51-258,314.67-106,625.11

Finding the Fourth Proportional to 187,171.51, 258,314.67 and 106,625.11

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Solution

The fourth proportional to 187,171.51, 258,314.67 and 106,625.11 is: 147,152.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,171.51 : 258,314.67 = 106,625.11 : x
  2. Step 2: Convert to fraction form
    187,171.51/258,314.67 = 106,625.11/x
  3. Step 3: Cross multiply
    187,171.51x = 258,314.67 × 106,625.11
  4. Step 4: Simplify right side
    187,171.51x = 27,542,830,103.36
  5. Step 5: Solve for x
    x = 27,542,830,103.36/187,171.51
  6. Step 6: Final answer
    x = 147,152.90

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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.