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Finding the Fourth Proportional to 163,971.80, 245,957.70 and 143,235.80

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Solution

The fourth proportional to 163,971.80, 245,957.70 and 143,235.80 is: 214,853.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,971.80 : 245,957.70 = 143,235.80 : x
  2. Step 2: Convert to fraction form
    163,971.80/245,957.70 = 143,235.80/x
  3. Step 3: Cross multiply
    163,971.80x = 245,957.70 × 143,235.80
  4. Step 4: Simplify right side
    163,971.80x = 35,229,947,925.66
  5. Step 5: Solve for x
    x = 35,229,947,925.66/163,971.80
  6. Step 6: Final answer
    x = 214,853.70

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