Home / 126,965.15-175,291.62-81,721.76

Finding the Fourth Proportional to 126,965.15, 175,291.62 and 81,721.76

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Solution

The fourth proportional to 126,965.15, 175,291.62 and 81,721.76 is: 112,827.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,965.15 : 175,291.62 = 81,721.76 : x
  2. Step 2: Convert to fraction form
    126,965.15/175,291.62 = 81,721.76/x
  3. Step 3: Cross multiply
    126,965.15x = 175,291.62 × 81,721.76
  4. Step 4: Simplify right side
    126,965.15x = 14,325,139,699.65
  5. Step 5: Solve for x
    x = 14,325,139,699.65/126,965.15
  6. Step 6: Final answer
    x = 112,827.34

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