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Finding the Fourth Proportional to 176,658.60, 264,987.90 and 71,423.40

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Solution

The fourth proportional to 176,658.60, 264,987.90 and 71,423.40 is: 107,135.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,658.60 : 264,987.90 = 71,423.40 : x
  2. Step 2: Convert to fraction form
    176,658.60/264,987.90 = 71,423.40/x
  3. Step 3: Cross multiply
    176,658.60x = 264,987.90 × 71,423.40
  4. Step 4: Simplify right side
    176,658.60x = 18,926,336,776.86
  5. Step 5: Solve for x
    x = 18,926,336,776.86/176,658.60
  6. Step 6: Final answer
    x = 107,135.10

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