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Finding the Fourth Proportional to 230,642.69, 345,961.95 and 72,871.13

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Solution

The fourth proportional to 230,642.69, 345,961.95 and 72,871.13 is: 109,306.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,642.69 : 345,961.95 = 72,871.13 : x
  2. Step 2: Convert to fraction form
    230,642.69/345,961.95 = 72,871.13/x
  3. Step 3: Cross multiply
    230,642.69x = 345,961.95 × 72,871.13
  4. Step 4: Simplify right side
    230,642.69x = 25,210,636,503.69
  5. Step 5: Solve for x
    x = 25,210,636,503.69/230,642.69
  6. Step 6: Final answer
    x = 109,306.03

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