Home / 187,270.48-258,369.96-106,640.83

Finding the Fourth Proportional to 187,270.48, 258,369.96 and 106,640.83

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Solution

The fourth proportional to 187,270.48, 258,369.96 and 106,640.83 is: 147,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,270.48 : 258,369.96 = 106,640.83 : x
  2. Step 2: Convert to fraction form
    187,270.48/258,369.96 = 106,640.83/x
  3. Step 3: Cross multiply
    187,270.48x = 258,369.96 × 106,640.83
  4. Step 4: Simplify right side
    187,270.48x = 27,552,786,981.47
  5. Step 5: Solve for x
    x = 27,552,786,981.47/187,270.48
  6. Step 6: Final answer
    x = 147,128.30

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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.