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Finding the Fourth Proportional to 122,938.40, 184,148.40 and 102,202.40

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Solution

The fourth proportional to 122,938.40, 184,148.40 and 102,202.40 is: 153,088.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,938.40 : 184,148.40 = 102,202.40 : x
  2. Step 2: Convert to fraction form
    122,938.40/184,148.40 = 102,202.40/x
  3. Step 3: Cross multiply
    122,938.40x = 184,148.40 × 102,202.40
  4. Step 4: Simplify right side
    122,938.40x = 18,820,408,436.16
  5. Step 5: Solve for x
    x = 18,820,408,436.16/122,938.40
  6. Step 6: Final answer
    x = 153,088.12

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