Home / 225,289.77-310,900.86-121,923.97

Finding the Fourth Proportional to 225,289.77, 310,900.86 and 121,923.97

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Solution

The fourth proportional to 225,289.77, 310,900.86 and 121,923.97 is: 168,255.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,289.77 : 310,900.86 = 121,923.97 : x
  2. Step 2: Convert to fraction form
    225,289.77/310,900.86 = 121,923.97/x
  3. Step 3: Cross multiply
    225,289.77x = 310,900.86 × 121,923.97
  4. Step 4: Simplify right side
    225,289.77x = 37,906,267,127.61
  5. Step 5: Solve for x
    x = 37,906,267,127.61/225,289.77
  6. Step 6: Final answer
    x = 168,255.61

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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.