Home / 187,579.50-258,835.60-107,002.22

Finding the Fourth Proportional to 187,579.50, 258,835.60 and 107,002.22

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Solution

The fourth proportional to 187,579.50, 258,835.60 and 107,002.22 is: 147,649.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,579.50 : 258,835.60 = 107,002.22 : x
  2. Step 2: Convert to fraction form
    187,579.50/258,835.60 = 107,002.22/x
  3. Step 3: Cross multiply
    187,579.50x = 258,835.60 × 107,002.22
  4. Step 4: Simplify right side
    187,579.50x = 27,695,982,654.61
  5. Step 5: Solve for x
    x = 27,695,982,654.61/187,579.50
  6. Step 6: Final answer
    x = 147,649.31

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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.