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Finding the Fourth Proportional to 91,900.36, 137,752.53 and 52,372.36

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Solution

The fourth proportional to 91,900.36, 137,752.53 and 52,372.36 is: 78,502.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,900.36 : 137,752.53 = 52,372.36 : x
  2. Step 2: Convert to fraction form
    91,900.36/137,752.53 = 52,372.36/x
  3. Step 3: Cross multiply
    91,900.36x = 137,752.53 × 52,372.36
  4. Step 4: Simplify right side
    91,900.36x = 7,214,425,092.07
  5. Step 5: Solve for x
    x = 7,214,425,092.07/91,900.36
  6. Step 6: Final answer
    x = 78,502.69

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