Home / 187,104.98-258,478.08-161,910.74

Finding the Fourth Proportional to 187,104.98, 258,478.08 and 161,910.74

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Solution

The fourth proportional to 187,104.98, 258,478.08 and 161,910.74 is: 223,673.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,104.98 : 258,478.08 = 161,910.74 : x
  2. Step 2: Convert to fraction form
    187,104.98/258,478.08 = 161,910.74/x
  3. Step 3: Cross multiply
    187,104.98x = 258,478.08 × 161,910.74
  4. Step 4: Simplify right side
    187,104.98x = 41,850,377,206.58
  5. Step 5: Solve for x
    x = 41,850,377,206.58/187,104.98
  6. Step 6: Final answer
    x = 223,673.24

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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.