Home / 187,962.21-259,388.19-103,079.88

Finding the Fourth Proportional to 187,962.21, 259,388.19 and 103,079.88

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Solution

The fourth proportional to 187,962.21, 259,388.19 and 103,079.88 is: 142,250.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,962.21 : 259,388.19 = 103,079.88 : x
  2. Step 2: Convert to fraction form
    187,962.21/259,388.19 = 103,079.88/x
  3. Step 3: Cross multiply
    187,962.21x = 259,388.19 × 103,079.88
  4. Step 4: Simplify right side
    187,962.21x = 26,737,703,498.62
  5. Step 5: Solve for x
    x = 26,737,703,498.62/187,962.21
  6. Step 6: Final answer
    x = 142,250.42

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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.