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Finding the Fourth Proportional to 115,907.10, 173,860.65 and 45,750.30

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Solution

The fourth proportional to 115,907.10, 173,860.65 and 45,750.30 is: 68,625.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,907.10 : 173,860.65 = 45,750.30 : x
  2. Step 2: Convert to fraction form
    115,907.10/173,860.65 = 45,750.30/x
  3. Step 3: Cross multiply
    115,907.10x = 173,860.65 × 45,750.30
  4. Step 4: Simplify right side
    115,907.10x = 7,954,176,895.70
  5. Step 5: Solve for x
    x = 7,954,176,895.70/115,907.10
  6. Step 6: Final answer
    x = 68,625.45

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