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Finding the Fourth Proportional to 177,428.80, 266,143.20 and 162,913.60

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Solution

The fourth proportional to 177,428.80, 266,143.20 and 162,913.60 is: 244,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,428.80 : 266,143.20 = 162,913.60 : x
  2. Step 2: Convert to fraction form
    177,428.80/266,143.20 = 162,913.60/x
  3. Step 3: Cross multiply
    177,428.80x = 266,143.20 × 162,913.60
  4. Step 4: Simplify right side
    177,428.80x = 43,358,346,827.52
  5. Step 5: Solve for x
    x = 43,358,346,827.52/177,428.80
  6. Step 6: Final answer
    x = 244,370.40

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