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Finding the Fourth Proportional to 98,155.40, 147,233.10 and 67,051.40

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Solution

The fourth proportional to 98,155.40, 147,233.10 and 67,051.40 is: 100,577.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,155.40 : 147,233.10 = 67,051.40 : x
  2. Step 2: Convert to fraction form
    98,155.40/147,233.10 = 67,051.40/x
  3. Step 3: Cross multiply
    98,155.40x = 147,233.10 × 67,051.40
  4. Step 4: Simplify right side
    98,155.40x = 9,872,185,481.34
  5. Step 5: Solve for x
    x = 9,872,185,481.34/98,155.40
  6. Step 6: Final answer
    x = 100,577.10

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