Home / 126,021.29-173,908.47-68,660.61

Finding the Fourth Proportional to 126,021.29, 173,908.47 and 68,660.61

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Solution

The fourth proportional to 126,021.29, 173,908.47 and 68,660.61 is: 94,751.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,021.29 : 173,908.47 = 68,660.61 : x
  2. Step 2: Convert to fraction form
    126,021.29/173,908.47 = 68,660.61/x
  3. Step 3: Cross multiply
    126,021.29x = 173,908.47 × 68,660.61
  4. Step 4: Simplify right side
    126,021.29x = 11,940,661,831.71
  5. Step 5: Solve for x
    x = 11,940,661,831.71/126,021.29
  6. Step 6: Final answer
    x = 94,751.14

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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.