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Finding the Fourth Proportional to 157,683.48, 236,605.86 and 74,555.16

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Solution

The fourth proportional to 157,683.48, 236,605.86 and 74,555.16 is: 111,870.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,683.48 : 236,605.86 = 74,555.16 : x
  2. Step 2: Convert to fraction form
    157,683.48/236,605.86 = 74,555.16/x
  3. Step 3: Cross multiply
    157,683.48x = 236,605.86 × 74,555.16
  4. Step 4: Simplify right side
    157,683.48x = 17,640,187,749.24
  5. Step 5: Solve for x
    x = 17,640,187,749.24/157,683.48
  6. Step 6: Final answer
    x = 111,870.87

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