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Finding the Fourth Proportional to 105,315.41, 157,987.91 and 34,215.23

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Solution

The fourth proportional to 105,315.41, 157,987.91 and 34,215.23 is: 51,327.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,315.41 : 157,987.91 = 34,215.23 : x
  2. Step 2: Convert to fraction form
    105,315.41/157,987.91 = 34,215.23/x
  3. Step 3: Cross multiply
    105,315.41x = 157,987.91 × 34,215.23
  4. Step 4: Simplify right side
    105,315.41x = 5,405,593,158.38
  5. Step 5: Solve for x
    x = 5,405,593,158.38/105,315.41
  6. Step 6: Final answer
    x = 51,327.65

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