Home / 187,948.89-259,372.83-101,910.77

Finding the Fourth Proportional to 187,948.89, 259,372.83 and 101,910.77

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Solution

The fourth proportional to 187,948.89, 259,372.83 and 101,910.77 is: 140,638.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,948.89 : 259,372.83 = 101,910.77 : x
  2. Step 2: Convert to fraction form
    187,948.89/259,372.83 = 101,910.77/x
  3. Step 3: Cross multiply
    187,948.89x = 259,372.83 × 101,910.77
  4. Step 4: Simplify right side
    187,948.89x = 26,432,885,470.81
  5. Step 5: Solve for x
    x = 26,432,885,470.81/187,948.89
  6. Step 6: Final answer
    x = 140,638.69

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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.