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Finding the Fourth Proportional to 104,649.10, 156,973.65 and 38,091.40

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Solution

The fourth proportional to 104,649.10, 156,973.65 and 38,091.40 is: 57,137.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,649.10 : 156,973.65 = 38,091.40 : x
  2. Step 2: Convert to fraction form
    104,649.10/156,973.65 = 38,091.40/x
  3. Step 3: Cross multiply
    104,649.10x = 156,973.65 × 38,091.40
  4. Step 4: Simplify right side
    104,649.10x = 5,979,346,091.61
  5. Step 5: Solve for x
    x = 5,979,346,091.61/104,649.10
  6. Step 6: Final answer
    x = 57,137.10

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