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Finding the Fourth Proportional to 108,726.51, 162,932.37 and 74,957.87

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Solution

The fourth proportional to 108,726.51, 162,932.37 and 74,957.87 is: 112,328.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,726.51 : 162,932.37 = 74,957.87 : x
  2. Step 2: Convert to fraction form
    108,726.51/162,932.37 = 74,957.87/x
  3. Step 3: Cross multiply
    108,726.51x = 162,932.37 × 74,957.87
  4. Step 4: Simplify right side
    108,726.51x = 12,213,063,409.25
  5. Step 5: Solve for x
    x = 12,213,063,409.25/108,726.51
  6. Step 6: Final answer
    x = 112,328.29

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