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Finding the Fourth Proportional to 175,646.40, 263,469.60 and 86,962.20

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Solution

The fourth proportional to 175,646.40, 263,469.60 and 86,962.20 is: 130,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,646.40 : 263,469.60 = 86,962.20 : x
  2. Step 2: Convert to fraction form
    175,646.40/263,469.60 = 86,962.20/x
  3. Step 3: Cross multiply
    175,646.40x = 263,469.60 × 86,962.20
  4. Step 4: Simplify right side
    175,646.40x = 22,911,896,049.12
  5. Step 5: Solve for x
    x = 22,911,896,049.12/175,646.40
  6. Step 6: Final answer
    x = 130,443.30

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