Home / 187,120.20-258,217.83-102,237.60

Finding the Fourth Proportional to 187,120.20, 258,217.83 and 102,237.60

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Solution

The fourth proportional to 187,120.20, 258,217.83 and 102,237.60 is: 141,083.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,120.20 : 258,217.83 = 102,237.60 : x
  2. Step 2: Convert to fraction form
    187,120.20/258,217.83 = 102,237.60/x
  3. Step 3: Cross multiply
    187,120.20x = 258,217.83 × 102,237.60
  4. Step 4: Simplify right side
    187,120.20x = 26,399,571,216.41
  5. Step 5: Solve for x
    x = 26,399,571,216.41/187,120.20
  6. Step 6: Final answer
    x = 141,083.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.