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Finding the Fourth Proportional to 180,553.15, 249,160.29 and 99,978.95

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Solution

The fourth proportional to 180,553.15, 249,160.29 and 99,978.95 is: 137,969.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,553.15 : 249,160.29 = 99,978.95 : x
  2. Step 2: Convert to fraction form
    180,553.15/249,160.29 = 99,978.95/x
  3. Step 3: Cross multiply
    180,553.15x = 249,160.29 × 99,978.95
  4. Step 4: Simplify right side
    180,553.15x = 24,910,784,175.90
  5. Step 5: Solve for x
    x = 24,910,784,175.90/180,553.15
  6. Step 6: Final answer
    x = 137,969.26

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