Home / 187,670.40-258,982.48-107,123.44

Finding the Fourth Proportional to 187,670.40, 258,982.48 and 107,123.44

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Solution

The fourth proportional to 187,670.40, 258,982.48 and 107,123.44 is: 147,828.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,670.40 : 258,982.48 = 107,123.44 : x
  2. Step 2: Convert to fraction form
    187,670.40/258,982.48 = 107,123.44/x
  3. Step 3: Cross multiply
    187,670.40x = 258,982.48 × 107,123.44
  4. Step 4: Simplify right side
    187,670.40x = 27,743,094,157.33
  5. Step 5: Solve for x
    x = 27,743,094,157.33/187,670.40
  6. Step 6: Final answer
    x = 147,828.82

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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.