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Finding the Fourth Proportional to 173,640.40, 260,460.60 and 103,656.40

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Solution

The fourth proportional to 173,640.40, 260,460.60 and 103,656.40 is: 155,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,640.40 : 260,460.60 = 103,656.40 : x
  2. Step 2: Convert to fraction form
    173,640.40/260,460.60 = 103,656.40/x
  3. Step 3: Cross multiply
    173,640.40x = 260,460.60 × 103,656.40
  4. Step 4: Simplify right side
    173,640.40x = 26,998,408,137.84
  5. Step 5: Solve for x
    x = 26,998,408,137.84/173,640.40
  6. Step 6: Final answer
    x = 155,484.60

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