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Finding the Fourth Proportional to 153,000, 211,159.80 and 85,932

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Solution

The fourth proportional to 153,000, 211,159.80 and 85,932 is: 118,597.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,000 : 211,159.80 = 85,932 : x
  2. Step 2: Convert to fraction form
    153,000/211,159.80 = 85,932/x
  3. Step 3: Cross multiply
    153,000x = 211,159.80 × 85,932
  4. Step 4: Simplify right side
    153,000x = 18,145,383,933.60
  5. Step 5: Solve for x
    x = 18,145,383,933.60/153,000
  6. Step 6: Final answer
    x = 118,597.28

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