Home / 187,310.54-258,489.69-102,427.94

Finding the Fourth Proportional to 187,310.54, 258,489.69 and 102,427.94

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Solution

The fourth proportional to 187,310.54, 258,489.69 and 102,427.94 is: 141,351.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,310.54 : 258,489.69 = 102,427.94 : x
  2. Step 2: Convert to fraction form
    187,310.54/258,489.69 = 102,427.94/x
  3. Step 3: Cross multiply
    187,310.54x = 258,489.69 × 102,427.94
  4. Step 4: Simplify right side
    187,310.54x = 26,476,566,457.94
  5. Step 5: Solve for x
    x = 26,476,566,457.94/187,310.54
  6. Step 6: Final answer
    x = 141,351.18

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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.