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Finding the Fourth Proportional to 143,980.32, 216,036.12 and 73,908.88

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Solution

The fourth proportional to 143,980.32, 216,036.12 and 73,908.88 is: 110,897.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,980.32 : 216,036.12 = 73,908.88 : x
  2. Step 2: Convert to fraction form
    143,980.32/216,036.12 = 73,908.88/x
  3. Step 3: Cross multiply
    143,980.32x = 216,036.12 × 73,908.88
  4. Step 4: Simplify right side
    143,980.32x = 15,966,987,668.75
  5. Step 5: Solve for x
    x = 15,966,987,668.75/143,980.32
  6. Step 6: Final answer
    x = 110,897.01

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