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Finding the Fourth Proportional to 109,475.42, 151,071.48 and 61,733.21

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Solution

The fourth proportional to 109,475.42, 151,071.48 and 61,733.21 is: 85,189.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,475.42 : 151,071.48 = 61,733.21 : x
  2. Step 2: Convert to fraction form
    109,475.42/151,071.48 = 61,733.21/x
  3. Step 3: Cross multiply
    109,475.42x = 151,071.48 × 61,733.21
  4. Step 4: Simplify right side
    109,475.42x = 9,326,126,644.49
  5. Step 5: Solve for x
    x = 9,326,126,644.49/109,475.42
  6. Step 6: Final answer
    x = 85,189.23

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