Home / 187,427.20-258,650.16-102,544

Finding the Fourth Proportional to 187,427.20, 258,650.16 and 102,544

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Solution

The fourth proportional to 187,427.20, 258,650.16 and 102,544 is: 141,511.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,427.20 : 258,650.16 = 102,544 : x
  2. Step 2: Convert to fraction form
    187,427.20/258,650.16 = 102,544/x
  3. Step 3: Cross multiply
    187,427.20x = 258,650.16 × 102,544
  4. Step 4: Simplify right side
    187,427.20x = 26,523,022,007.04
  5. Step 5: Solve for x
    x = 26,523,022,007.04/187,427.20
  6. Step 6: Final answer
    x = 141,511.06

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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.