Home / 187,961.60-259,363.10-107,394.35

Finding the Fourth Proportional to 187,961.60, 259,363.10 and 107,394.35

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Solution

The fourth proportional to 187,961.60, 259,363.10 and 107,394.35 is: 148,190.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,961.60 : 259,363.10 = 107,394.35 : x
  2. Step 2: Convert to fraction form
    187,961.60/259,363.10 = 107,394.35/x
  3. Step 3: Cross multiply
    187,961.60x = 259,363.10 × 107,394.35
  4. Step 4: Simplify right side
    187,961.60x = 27,854,129,704.70
  5. Step 5: Solve for x
    x = 27,854,129,704.70/187,961.60
  6. Step 6: Final answer
    x = 148,190.54

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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.