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Finding the Fourth Proportional to 115,254.90, 172,879.31 and 48,677.15

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Solution

The fourth proportional to 115,254.90, 172,879.31 and 48,677.15 is: 73,014.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,254.90 : 172,879.31 = 48,677.15 : x
  2. Step 2: Convert to fraction form
    115,254.90/172,879.31 = 48,677.15/x
  3. Step 3: Cross multiply
    115,254.90x = 172,879.31 × 48,677.15
  4. Step 4: Simplify right side
    115,254.90x = 8,415,272,658.66
  5. Step 5: Solve for x
    x = 8,415,272,658.66/115,254.90
  6. Step 6: Final answer
    x = 73,014.45

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