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Finding the Fourth Proportional to 190,977.72, 286,365.76 and 64,574.52

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Solution

The fourth proportional to 190,977.72, 286,365.76 and 64,574.52 is: 96,827.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,977.72 : 286,365.76 = 64,574.52 : x
  2. Step 2: Convert to fraction form
    190,977.72/286,365.76 = 64,574.52/x
  3. Step 3: Cross multiply
    190,977.72x = 286,365.76 × 64,574.52
  4. Step 4: Simplify right side
    190,977.72x = 18,491,931,496.44
  5. Step 5: Solve for x
    x = 18,491,931,496.44/190,977.72
  6. Step 6: Final answer
    x = 96,827.69

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