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Finding the Fourth Proportional to 132,645.02, 183,053.67 and 72,218.21

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Solution

The fourth proportional to 132,645.02, 183,053.67 and 72,218.21 is: 99,663.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,645.02 : 183,053.67 = 72,218.21 : x
  2. Step 2: Convert to fraction form
    132,645.02/183,053.67 = 72,218.21/x
  3. Step 3: Cross multiply
    132,645.02x = 183,053.67 × 72,218.21
  4. Step 4: Simplify right side
    132,645.02x = 13,219,808,381.33
  5. Step 5: Solve for x
    x = 13,219,808,381.33/132,645.02
  6. Step 6: Final answer
    x = 99,663.06

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