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Finding the Fourth Proportional to 156,090.94, 215,406.02 and 84,470.94

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Solution

The fourth proportional to 156,090.94, 215,406.02 and 84,470.94 is: 116,570.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,090.94 : 215,406.02 = 84,470.94 : x
  2. Step 2: Convert to fraction form
    156,090.94/215,406.02 = 84,470.94/x
  3. Step 3: Cross multiply
    156,090.94x = 215,406.02 × 84,470.94
  4. Step 4: Simplify right side
    156,090.94x = 18,195,549,202.24
  5. Step 5: Solve for x
    x = 18,195,549,202.24/156,090.94
  6. Step 6: Final answer
    x = 116,570.18

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