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Finding the Fourth Proportional to 230,637.80, 345,954.65 and 72,866.25

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Solution

The fourth proportional to 230,637.80, 345,954.65 and 72,866.25 is: 109,298.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,637.80 : 345,954.65 = 72,866.25 : x
  2. Step 2: Convert to fraction form
    230,637.80/345,954.65 = 72,866.25/x
  3. Step 3: Cross multiply
    230,637.80x = 345,954.65 × 72,866.25
  4. Step 4: Simplify right side
    230,637.80x = 25,208,417,651.23
  5. Step 5: Solve for x
    x = 25,208,417,651.23/230,637.80
  6. Step 6: Final answer
    x = 109,298.72

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