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Finding the Fourth Proportional to 190,709.31, 286,104.98 and 64,352.69

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Solution

The fourth proportional to 190,709.31, 286,104.98 and 64,352.69 is: 96,542.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,709.31 : 286,104.98 = 64,352.69 : x
  2. Step 2: Convert to fraction form
    190,709.31/286,104.98 = 64,352.69/x
  3. Step 3: Cross multiply
    190,709.31x = 286,104.98 × 64,352.69
  4. Step 4: Simplify right side
    190,709.31x = 18,411,625,085.40
  5. Step 5: Solve for x
    x = 18,411,625,085.40/190,709.31
  6. Step 6: Final answer
    x = 96,542.88

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