Home / 187,831.98-259,208.91-102,950.46

Finding the Fourth Proportional to 187,831.98, 259,208.91 and 102,950.46

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Solution

The fourth proportional to 187,831.98, 259,208.91 and 102,950.46 is: 142,072.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,831.98 : 259,208.91 = 102,950.46 : x
  2. Step 2: Convert to fraction form
    187,831.98/259,208.91 = 102,950.46/x
  3. Step 3: Cross multiply
    187,831.98x = 259,208.91 × 102,950.46
  4. Step 4: Simplify right side
    187,831.98x = 26,685,676,520.60
  5. Step 5: Solve for x
    x = 26,685,676,520.60/187,831.98
  6. Step 6: Final answer
    x = 142,072.06

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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.