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Finding the Fourth Proportional to 230,547.12, 318,157.46 and 129,945.12

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Solution

The fourth proportional to 230,547.12, 318,157.46 and 129,945.12 is: 179,325.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,547.12 : 318,157.46 = 129,945.12 : x
  2. Step 2: Convert to fraction form
    230,547.12/318,157.46 = 129,945.12/x
  3. Step 3: Cross multiply
    230,547.12x = 318,157.46 × 129,945.12
  4. Step 4: Simplify right side
    230,547.12x = 41,343,009,318.60
  5. Step 5: Solve for x
    x = 41,343,009,318.60/230,547.12
  6. Step 6: Final answer
    x = 179,325.64

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