Home / 187,529.82-258,781.12-102,630.48

Finding the Fourth Proportional to 187,529.82, 258,781.12 and 102,630.48

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Solution

The fourth proportional to 187,529.82, 258,781.12 and 102,630.48 is: 141,624.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,529.82 : 258,781.12 = 102,630.48 : x
  2. Step 2: Convert to fraction form
    187,529.82/258,781.12 = 102,630.48/x
  3. Step 3: Cross multiply
    187,529.82x = 258,781.12 × 102,630.48
  4. Step 4: Simplify right side
    187,529.82x = 26,558,830,560.54
  5. Step 5: Solve for x
    x = 26,558,830,560.54/187,529.82
  6. Step 6: Final answer
    x = 141,624.57

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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.