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Finding the Fourth Proportional to 153,124.44, 211,321.28 and 85,156.60

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Solution

The fourth proportional to 153,124.44, 211,321.28 and 85,156.60 is: 117,521.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,124.44 : 211,321.28 = 85,156.60 : x
  2. Step 2: Convert to fraction form
    153,124.44/211,321.28 = 85,156.60/x
  3. Step 3: Cross multiply
    153,124.44x = 211,321.28 × 85,156.60
  4. Step 4: Simplify right side
    153,124.44x = 17,995,401,712.45
  5. Step 5: Solve for x
    x = 17,995,401,712.45/153,124.44
  6. Step 6: Final answer
    x = 117,521.42

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