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Finding the Fourth Proportional to 110,039.40, 165,059.10 and 102,603.60

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Solution

The fourth proportional to 110,039.40, 165,059.10 and 102,603.60 is: 153,905.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,039.40 : 165,059.10 = 102,603.60 : x
  2. Step 2: Convert to fraction form
    110,039.40/165,059.10 = 102,603.60/x
  3. Step 3: Cross multiply
    110,039.40x = 165,059.10 × 102,603.60
  4. Step 4: Simplify right side
    110,039.40x = 16,935,657,872.76
  5. Step 5: Solve for x
    x = 16,935,657,872.76/110,039.40
  6. Step 6: Final answer
    x = 153,905.40

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