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Finding the Fourth Proportional to 132,970.06, 183,503.31 and 72,544.03

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Solution

The fourth proportional to 132,970.06, 183,503.31 and 72,544.03 is: 100,113.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,970.06 : 183,503.31 = 72,544.03 : x
  2. Step 2: Convert to fraction form
    132,970.06/183,503.31 = 72,544.03/x
  3. Step 3: Cross multiply
    132,970.06x = 183,503.31 × 72,544.03
  4. Step 4: Simplify right side
    132,970.06x = 13,312,068,894.94
  5. Step 5: Solve for x
    x = 13,312,068,894.94/132,970.06
  6. Step 6: Final answer
    x = 100,113.28

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