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Finding the Fourth Proportional to 109,627.47, 151,315.16 and 61,908.75

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Solution

The fourth proportional to 109,627.47, 151,315.16 and 61,908.75 is: 85,450.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,627.47 : 151,315.16 = 61,908.75 : x
  2. Step 2: Convert to fraction form
    109,627.47/151,315.16 = 61,908.75/x
  3. Step 3: Cross multiply
    109,627.47x = 151,315.16 × 61,908.75
  4. Step 4: Simplify right side
    109,627.47x = 9,367,732,102.11
  5. Step 5: Solve for x
    x = 9,367,732,102.11/109,627.47
  6. Step 6: Final answer
    x = 85,450.59

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