Home / 187,072.45-258,150.33-102,173.11

Finding the Fourth Proportional to 187,072.45, 258,150.33 and 102,173.11

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Solution

The fourth proportional to 187,072.45, 258,150.33 and 102,173.11 is: 140,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,072.45 : 258,150.33 = 102,173.11 : x
  2. Step 2: Convert to fraction form
    187,072.45/258,150.33 = 102,173.11/x
  3. Step 3: Cross multiply
    187,072.45x = 258,150.33 × 102,173.11
  4. Step 4: Simplify right side
    187,072.45x = 26,376,022,063.63
  5. Step 5: Solve for x
    x = 26,376,022,063.63/187,072.45
  6. Step 6: Final answer
    x = 140,993.62

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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.