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Finding the Fourth Proportional to 192,015.40, 288,023.10 and 152,357.80

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Solution

The fourth proportional to 192,015.40, 288,023.10 and 152,357.80 is: 228,536.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,015.40 : 288,023.10 = 152,357.80 : x
  2. Step 2: Convert to fraction form
    192,015.40/288,023.10 = 152,357.80/x
  3. Step 3: Cross multiply
    192,015.40x = 288,023.10 × 152,357.80
  4. Step 4: Simplify right side
    192,015.40x = 43,882,565,865.18
  5. Step 5: Solve for x
    x = 43,882,565,865.18/192,015.40
  6. Step 6: Final answer
    x = 228,536.70

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