Home / 187,861.17-259,248.42-102,976.41

Finding the Fourth Proportional to 187,861.17, 259,248.42 and 102,976.41

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Solution

The fourth proportional to 187,861.17, 259,248.42 and 102,976.41 is: 142,107.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,861.17 : 259,248.42 = 102,976.41 : x
  2. Step 2: Convert to fraction form
    187,861.17/259,248.42 = 102,976.41/x
  3. Step 3: Cross multiply
    187,861.17x = 259,248.42 × 102,976.41
  4. Step 4: Simplify right side
    187,861.17x = 26,696,471,589.77
  5. Step 5: Solve for x
    x = 26,696,471,589.77/187,861.17
  6. Step 6: Final answer
    x = 142,107.45

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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.