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Finding the Fourth Proportional to 101,328.20, 152,023.08 and 71,803.16

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Solution

The fourth proportional to 101,328.20, 152,023.08 and 71,803.16 is: 107,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,328.20 : 152,023.08 = 71,803.16 : x
  2. Step 2: Convert to fraction form
    101,328.20/152,023.08 = 71,803.16/x
  3. Step 3: Cross multiply
    101,328.20x = 152,023.08 × 71,803.16
  4. Step 4: Simplify right side
    101,328.20x = 10,915,737,536.93
  5. Step 5: Solve for x
    x = 10,915,737,536.93/101,328.20
  6. Step 6: Final answer
    x = 107,726.55

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