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Finding the Fourth Proportional to 90,953.66, 136,515.81 and 55,961.66

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Solution

The fourth proportional to 90,953.66, 136,515.81 and 55,961.66 is: 83,994.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,953.66 : 136,515.81 = 55,961.66 : x
  2. Step 2: Convert to fraction form
    90,953.66/136,515.81 = 55,961.66/x
  3. Step 3: Cross multiply
    90,953.66x = 136,515.81 × 55,961.66
  4. Step 4: Simplify right side
    90,953.66x = 7,639,651,343.84
  5. Step 5: Solve for x
    x = 7,639,651,343.84/90,953.66
  6. Step 6: Final answer
    x = 83,994.99

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