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Finding the Fourth Proportional to 101,518.47, 152,292.29 and 31,403.25

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Solution

The fourth proportional to 101,518.47, 152,292.29 and 31,403.25 is: 47,109.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,518.47 : 152,292.29 = 31,403.25 : x
  2. Step 2: Convert to fraction form
    101,518.47/152,292.29 = 31,403.25/x
  3. Step 3: Cross multiply
    101,518.47x = 152,292.29 × 31,403.25
  4. Step 4: Simplify right side
    101,518.47x = 4,782,472,698.93
  5. Step 5: Solve for x
    x = 4,782,472,698.93/101,518.47
  6. Step 6: Final answer
    x = 47,109.39

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