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Finding the Fourth Proportional to 140.64, 211.01 and 59.47

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Solution

The fourth proportional to 140.64, 211.01 and 59.47 is: 89.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140.64 : 211.01 = 59.47 : x
  2. Step 2: Convert to fraction form
    140.64/211.01 = 59.47/x
  3. Step 3: Cross multiply
    140.64x = 211.01 × 59.47
  4. Step 4: Simplify right side
    140.64x = 12,548.76
  5. Step 5: Solve for x
    x = 12,548.76/140.64
  6. Step 6: Final answer
    x = 89.23

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