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Finding the Fourth Proportional to 173,623.40, 260,435.10 and 103,639.40

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Solution

The fourth proportional to 173,623.40, 260,435.10 and 103,639.40 is: 155,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,623.40 : 260,435.10 = 103,639.40 : x
  2. Step 2: Convert to fraction form
    173,623.40/260,435.10 = 103,639.40/x
  3. Step 3: Cross multiply
    173,623.40x = 260,435.10 × 103,639.40
  4. Step 4: Simplify right side
    173,623.40x = 26,991,337,502.94
  5. Step 5: Solve for x
    x = 26,991,337,502.94/173,623.40
  6. Step 6: Final answer
    x = 155,459.10

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