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Finding the Fourth Proportional to 224,048.68, 309,194.18 and 128,572.84

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Solution

The fourth proportional to 224,048.68, 309,194.18 and 128,572.84 is: 177,434.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,048.68 : 309,194.18 = 128,572.84 : x
  2. Step 2: Convert to fraction form
    224,048.68/309,194.18 = 128,572.84/x
  3. Step 3: Cross multiply
    224,048.68x = 309,194.18 × 128,572.84
  4. Step 4: Simplify right side
    224,048.68x = 39,753,973,834.07
  5. Step 5: Solve for x
    x = 39,753,973,834.07/224,048.68
  6. Step 6: Final answer
    x = 177,434.54

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