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Finding the Fourth Proportional to 67,246.70, 100,870.05 and 54,124.70

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Solution

The fourth proportional to 67,246.70, 100,870.05 and 54,124.70 is: 81,187.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,246.70 : 100,870.05 = 54,124.70 : x
  2. Step 2: Convert to fraction form
    67,246.70/100,870.05 = 54,124.70/x
  3. Step 3: Cross multiply
    67,246.70x = 100,870.05 × 54,124.70
  4. Step 4: Simplify right side
    67,246.70x = 5,459,561,195.24
  5. Step 5: Solve for x
    x = 5,459,561,195.24/67,246.70
  6. Step 6: Final answer
    x = 81,187.05

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