Home / 187,717.72-259,069.03-107,157.35

Finding the Fourth Proportional to 187,717.72, 259,069.03 and 107,157.35

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Solution

The fourth proportional to 187,717.72, 259,069.03 and 107,157.35 is: 147,887.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,717.72 : 259,069.03 = 107,157.35 : x
  2. Step 2: Convert to fraction form
    187,717.72/259,069.03 = 107,157.35/x
  3. Step 3: Cross multiply
    187,717.72x = 259,069.03 × 107,157.35
  4. Step 4: Simplify right side
    187,717.72x = 27,761,150,721.87
  5. Step 5: Solve for x
    x = 27,761,150,721.87/187,717.72
  6. Step 6: Final answer
    x = 147,887.75

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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.