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Finding the Fourth Proportional to 156,363.10, 215,775.28 and 84,741.59

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Solution

The fourth proportional to 156,363.10, 215,775.28 and 84,741.59 is: 116,940.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,363.10 : 215,775.28 = 84,741.59 : x
  2. Step 2: Convert to fraction form
    156,363.10/215,775.28 = 84,741.59/x
  3. Step 3: Cross multiply
    156,363.10x = 215,775.28 × 84,741.59
  4. Step 4: Simplify right side
    156,363.10x = 18,285,139,019.16
  5. Step 5: Solve for x
    x = 18,285,139,019.16/156,363.10
  6. Step 6: Final answer
    x = 116,940.25

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