Home / 187,072.66-258,165.94-102,195.19

Finding the Fourth Proportional to 187,072.66, 258,165.94 and 102,195.19

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Solution

The fourth proportional to 187,072.66, 258,165.94 and 102,195.19 is: 141,032.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,072.66 : 258,165.94 = 102,195.19 : x
  2. Step 2: Convert to fraction form
    187,072.66/258,165.94 = 102,195.19/x
  3. Step 3: Cross multiply
    187,072.66x = 258,165.94 × 102,195.19
  4. Step 4: Simplify right side
    187,072.66x = 26,383,317,289.83
  5. Step 5: Solve for x
    x = 26,383,317,289.83/187,072.66
  6. Step 6: Final answer
    x = 141,032.46

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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.