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Finding the Fourth Proportional to 153,102.15, 211,384.08 and 136,919.16

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Solution

The fourth proportional to 153,102.15, 211,384.08 and 136,919.16 is: 189,040.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,102.15 : 211,384.08 = 136,919.16 : x
  2. Step 2: Convert to fraction form
    153,102.15/211,384.08 = 136,919.16/x
  3. Step 3: Cross multiply
    153,102.15x = 211,384.08 × 136,919.16
  4. Step 4: Simplify right side
    153,102.15x = 28,942,530,670.97
  5. Step 5: Solve for x
    x = 28,942,530,670.97/153,102.15
  6. Step 6: Final answer
    x = 189,040.65

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