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Finding the Fourth Proportional to 124,295.70, 186,443.55 and 54,311.70

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Solution

The fourth proportional to 124,295.70, 186,443.55 and 54,311.70 is: 81,467.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,295.70 : 186,443.55 = 54,311.70 : x
  2. Step 2: Convert to fraction form
    124,295.70/186,443.55 = 54,311.70/x
  3. Step 3: Cross multiply
    124,295.70x = 186,443.55 × 54,311.70
  4. Step 4: Simplify right side
    124,295.70x = 10,126,066,154.54
  5. Step 5: Solve for x
    x = 10,126,066,154.54/124,295.70
  6. Step 6: Final answer
    x = 81,467.55

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