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Finding the Fourth Proportional to 163,889.88, 245,640.42 and 70,197.72

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Solution

The fourth proportional to 163,889.88, 245,640.42 and 70,197.72 is: 105,213.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,889.88 : 245,640.42 = 70,197.72 : x
  2. Step 2: Convert to fraction form
    163,889.88/245,640.42 = 70,197.72/x
  3. Step 3: Cross multiply
    163,889.88x = 245,640.42 × 70,197.72
  4. Step 4: Simplify right side
    163,889.88x = 17,243,397,423.84
  5. Step 5: Solve for x
    x = 17,243,397,423.84/163,889.88
  6. Step 6: Final answer
    x = 105,213.31

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