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Finding the Fourth Proportional to 115,903.40, 173,855.10 and 49,345.70

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Solution

The fourth proportional to 115,903.40, 173,855.10 and 49,345.70 is: 74,018.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,903.40 : 173,855.10 = 49,345.70 : x
  2. Step 2: Convert to fraction form
    115,903.40/173,855.10 = 49,345.70/x
  3. Step 3: Cross multiply
    115,903.40x = 173,855.10 × 49,345.70
  4. Step 4: Simplify right side
    115,903.40x = 8,579,001,608.07
  5. Step 5: Solve for x
    x = 8,579,001,608.07/115,903.40
  6. Step 6: Final answer
    x = 74,018.55

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