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Finding the Fourth Proportional to 116,570.08, 174,814.80 and 72,128.80

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Solution

The fourth proportional to 116,570.08, 174,814.80 and 72,128.80 is: 108,168.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,570.08 : 174,814.80 = 72,128.80 : x
  2. Step 2: Convert to fraction form
    116,570.08/174,814.80 = 72,128.80/x
  3. Step 3: Cross multiply
    116,570.08x = 174,814.80 × 72,128.80
  4. Step 4: Simplify right side
    116,570.08x = 12,609,181,746.24
  5. Step 5: Solve for x
    x = 12,609,181,746.24/116,570.08
  6. Step 6: Final answer
    x = 108,168.25

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