Home / 187,769.28-259,131.99-107,222.70

Finding the Fourth Proportional to 187,769.28, 259,131.99 and 107,222.70

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Solution

The fourth proportional to 187,769.28, 259,131.99 and 107,222.70 is: 147,973.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,769.28 : 259,131.99 = 107,222.70 : x
  2. Step 2: Convert to fraction form
    187,769.28/259,131.99 = 107,222.70/x
  3. Step 3: Cross multiply
    187,769.28x = 259,131.99 × 107,222.70
  4. Step 4: Simplify right side
    187,769.28x = 27,784,831,624.17
  5. Step 5: Solve for x
    x = 27,784,831,624.17/187,769.28
  6. Step 6: Final answer
    x = 147,973.26

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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.