Home / 187,230.69-258,377.04-102,347.96

Finding the Fourth Proportional to 187,230.69, 258,377.04 and 102,347.96

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Solution

The fourth proportional to 187,230.69, 258,377.04 and 102,347.96 is: 141,239.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,230.69 : 258,377.04 = 102,347.96 : x
  2. Step 2: Convert to fraction form
    187,230.69/258,377.04 = 102,347.96/x
  3. Step 3: Cross multiply
    187,230.69x = 258,377.04 × 102,347.96
  4. Step 4: Simplify right side
    187,230.69x = 26,444,361,662.95
  5. Step 5: Solve for x
    x = 26,444,361,662.95/187,230.69
  6. Step 6: Final answer
    x = 141,239.46

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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.