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Finding the Fourth Proportional to 186,989.72, 280,619.91 and 73,154.34

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Solution

The fourth proportional to 186,989.72, 280,619.91 and 73,154.34 is: 109,784.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,989.72 : 280,619.91 = 73,154.34 : x
  2. Step 2: Convert to fraction form
    186,989.72/280,619.91 = 73,154.34/x
  3. Step 3: Cross multiply
    186,989.72x = 280,619.91 × 73,154.34
  4. Step 4: Simplify right side
    186,989.72x = 20,528,564,306.91
  5. Step 5: Solve for x
    x = 20,528,564,306.91/186,989.72
  6. Step 6: Final answer
    x = 109,784.46

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