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Finding the Fourth Proportional to 165,830.84, 228,846.78 and 90,379.34

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Solution

The fourth proportional to 165,830.84, 228,846.78 and 90,379.34 is: 124,723.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,830.84 : 228,846.78 = 90,379.34 : x
  2. Step 2: Convert to fraction form
    165,830.84/228,846.78 = 90,379.34/x
  3. Step 3: Cross multiply
    165,830.84x = 228,846.78 × 90,379.34
  4. Step 4: Simplify right side
    165,830.84x = 20,683,020,937.53
  5. Step 5: Solve for x
    x = 20,683,020,937.53/165,830.84
  6. Step 6: Final answer
    x = 124,723.61

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