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Finding the Fourth Proportional to 115,363.40, 173,045.10 and 70,845.80

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Solution

The fourth proportional to 115,363.40, 173,045.10 and 70,845.80 is: 106,268.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,363.40 : 173,045.10 = 70,845.80 : x
  2. Step 2: Convert to fraction form
    115,363.40/173,045.10 = 70,845.80/x
  3. Step 3: Cross multiply
    115,363.40x = 173,045.10 × 70,845.80
  4. Step 4: Simplify right side
    115,363.40x = 12,259,518,545.58
  5. Step 5: Solve for x
    x = 12,259,518,545.58/115,363.40
  6. Step 6: Final answer
    x = 106,268.70

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