Home / 187,756.38-259,127.91-107,165.43

Finding the Fourth Proportional to 187,756.38, 259,127.91 and 107,165.43

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Solution

The fourth proportional to 187,756.38, 259,127.91 and 107,165.43 is: 147,902.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,756.38 : 259,127.91 = 107,165.43 : x
  2. Step 2: Convert to fraction form
    187,756.38/259,127.91 = 107,165.43/x
  3. Step 3: Cross multiply
    187,756.38x = 259,127.91 × 107,165.43
  4. Step 4: Simplify right side
    187,756.38x = 27,769,553,900.15
  5. Step 5: Solve for x
    x = 27,769,553,900.15/187,756.38
  6. Step 6: Final answer
    x = 147,902.05

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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.