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Finding the Fourth Proportional to 98,123.20, 147,033.60 and 73,045.60

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Solution

The fourth proportional to 98,123.20, 147,033.60 and 73,045.60 is: 109,455.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,123.20 : 147,033.60 = 73,045.60 : x
  2. Step 2: Convert to fraction form
    98,123.20/147,033.60 = 73,045.60/x
  3. Step 3: Cross multiply
    98,123.20x = 147,033.60 × 73,045.60
  4. Step 4: Simplify right side
    98,123.20x = 10,740,157,532.16
  5. Step 5: Solve for x
    x = 10,740,157,532.16/98,123.20
  6. Step 6: Final answer
    x = 109,455.84

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