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Finding the Fourth Proportional to 115,742.70, 173,671.65 and 45,624.30

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Solution

The fourth proportional to 115,742.70, 173,671.65 and 45,624.30 is: 68,459.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,742.70 : 173,671.65 = 45,624.30 : x
  2. Step 2: Convert to fraction form
    115,742.70/173,671.65 = 45,624.30/x
  3. Step 3: Cross multiply
    115,742.70x = 173,671.65 × 45,624.30
  4. Step 4: Simplify right side
    115,742.70x = 7,923,647,461.10
  5. Step 5: Solve for x
    x = 7,923,647,461.10/115,742.70
  6. Step 6: Final answer
    x = 68,459.16

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