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Finding the Fourth Proportional to 100,952.40, 151,428.60 and 69,848.40

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Solution

The fourth proportional to 100,952.40, 151,428.60 and 69,848.40 is: 104,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,952.40 : 151,428.60 = 69,848.40 : x
  2. Step 2: Convert to fraction form
    100,952.40/151,428.60 = 69,848.40/x
  3. Step 3: Cross multiply
    100,952.40x = 151,428.60 × 69,848.40
  4. Step 4: Simplify right side
    100,952.40x = 10,577,045,424.24
  5. Step 5: Solve for x
    x = 10,577,045,424.24/100,952.40
  6. Step 6: Final answer
    x = 104,772.60

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