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Finding the Fourth Proportional to 177,492.80, 266,109.60 and 72,257.60

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Solution

The fourth proportional to 177,492.80, 266,109.60 and 72,257.60 is: 108,333.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,492.80 : 266,109.60 = 72,257.60 : x
  2. Step 2: Convert to fraction form
    177,492.80/266,109.60 = 72,257.60/x
  3. Step 3: Cross multiply
    177,492.80x = 266,109.60 × 72,257.60
  4. Step 4: Simplify right side
    177,492.80x = 19,228,441,032.96
  5. Step 5: Solve for x
    x = 19,228,441,032.96/177,492.80
  6. Step 6: Final answer
    x = 108,333.64

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