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Finding the Fourth Proportional to 106,328.40, 159,492.60 and 43,148.40

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Solution

The fourth proportional to 106,328.40, 159,492.60 and 43,148.40 is: 64,722.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,328.40 : 159,492.60 = 43,148.40 : x
  2. Step 2: Convert to fraction form
    106,328.40/159,492.60 = 43,148.40/x
  3. Step 3: Cross multiply
    106,328.40x = 159,492.60 × 43,148.40
  4. Step 4: Simplify right side
    106,328.40x = 6,881,850,501.84
  5. Step 5: Solve for x
    x = 6,881,850,501.84/106,328.40
  6. Step 6: Final answer
    x = 64,722.60

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