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Finding the Fourth Proportional to 76,178.27, 114,223.66 and 40,595.78

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Solution

The fourth proportional to 76,178.27, 114,223.66 and 40,595.78 is: 60,870.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,178.27 : 114,223.66 = 40,595.78 : x
  2. Step 2: Convert to fraction form
    76,178.27/114,223.66 = 40,595.78/x
  3. Step 3: Cross multiply
    76,178.27x = 114,223.66 × 40,595.78
  4. Step 4: Simplify right side
    76,178.27x = 4,636,998,756.22
  5. Step 5: Solve for x
    x = 4,636,998,756.22/76,178.27
  6. Step 6: Final answer
    x = 60,870.36

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