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Finding the Fourth Proportional to 145,210.20, 217,847.70 and 113,717.40

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Solution

The fourth proportional to 145,210.20, 217,847.70 and 113,717.40 is: 170,601.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,210.20 : 217,847.70 = 113,717.40 : x
  2. Step 2: Convert to fraction form
    145,210.20/217,847.70 = 113,717.40/x
  3. Step 3: Cross multiply
    145,210.20x = 217,847.70 × 113,717.40
  4. Step 4: Simplify right side
    145,210.20x = 24,773,074,039.98
  5. Step 5: Solve for x
    x = 24,773,074,039.98/145,210.20
  6. Step 6: Final answer
    x = 170,601.47

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