Home / 138,749.81-191,474.73-75,087.62

Finding the Fourth Proportional to 138,749.81, 191,474.73 and 75,087.62

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Solution

The fourth proportional to 138,749.81, 191,474.73 and 75,087.62 is: 103,620.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,749.81 : 191,474.73 = 75,087.62 : x
  2. Step 2: Convert to fraction form
    138,749.81/191,474.73 = 75,087.62/x
  3. Step 3: Cross multiply
    138,749.81x = 191,474.73 × 75,087.62
  4. Step 4: Simplify right side
    138,749.81x = 14,377,380,808.47
  5. Step 5: Solve for x
    x = 14,377,380,808.47/138,749.81
  6. Step 6: Final answer
    x = 103,620.91

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