Home / 187,633.70-258,926.73-102,749.30

Finding the Fourth Proportional to 187,633.70, 258,926.73 and 102,749.30

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Solution

The fourth proportional to 187,633.70, 258,926.73 and 102,749.30 is: 141,789.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,633.70 : 258,926.73 = 102,749.30 : x
  2. Step 2: Convert to fraction form
    187,633.70/258,926.73 = 102,749.30/x
  3. Step 3: Cross multiply
    187,633.70x = 258,926.73 × 102,749.30
  4. Step 4: Simplify right side
    187,633.70x = 26,604,540,258.79
  5. Step 5: Solve for x
    x = 26,604,540,258.79/187,633.70
  6. Step 6: Final answer
    x = 141,789.78

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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.