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Finding the Fourth Proportional to 105,725.56, 145,904.16 and 60,410.92

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Solution

The fourth proportional to 105,725.56, 145,904.16 and 60,410.92 is: 83,368.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,725.56 : 145,904.16 = 60,410.92 : x
  2. Step 2: Convert to fraction form
    105,725.56/145,904.16 = 60,410.92/x
  3. Step 3: Cross multiply
    105,725.56x = 145,904.16 × 60,410.92
  4. Step 4: Simplify right side
    105,725.56x = 8,814,204,537.43
  5. Step 5: Solve for x
    x = 8,814,204,537.43/105,725.56
  6. Step 6: Final answer
    x = 83,368.72

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