Home / 187,391.45-258,604.34-102,508.50

Finding the Fourth Proportional to 187,391.45, 258,604.34 and 102,508.50

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Solution

The fourth proportional to 187,391.45, 258,604.34 and 102,508.50 is: 141,464.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,391.45 : 258,604.34 = 102,508.50 : x
  2. Step 2: Convert to fraction form
    187,391.45/258,604.34 = 102,508.50/x
  3. Step 3: Cross multiply
    187,391.45x = 258,604.34 × 102,508.50
  4. Step 4: Simplify right side
    187,391.45x = 26,509,142,474.35
  5. Step 5: Solve for x
    x = 26,509,142,474.35/187,391.45
  6. Step 6: Final answer
    x = 141,464.00

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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.