Home / 187,817.49-259,137.70-107,228.97

Finding the Fourth Proportional to 187,817.49, 259,137.70 and 107,228.97

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Solution

The fourth proportional to 187,817.49, 259,137.70 and 107,228.97 is: 147,947.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,817.49 : 259,137.70 = 107,228.97 : x
  2. Step 2: Convert to fraction form
    187,817.49/259,137.70 = 107,228.97/x
  3. Step 3: Cross multiply
    187,817.49x = 259,137.70 × 107,228.97
  4. Step 4: Simplify right side
    187,817.49x = 27,787,068,252.87
  5. Step 5: Solve for x
    x = 27,787,068,252.87/187,817.49
  6. Step 6: Final answer
    x = 147,947.18

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1.5x scale

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.