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Finding the Fourth Proportional to 342,148.72, 472,144.95 and 189,174.91

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Solution

The fourth proportional to 342,148.72, 472,144.95 and 189,174.91 is: 261,050.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,148.72 : 472,144.95 = 189,174.91 : x
  2. Step 2: Convert to fraction form
    342,148.72/472,144.95 = 189,174.91/x
  3. Step 3: Cross multiply
    342,148.72x = 472,144.95 × 189,174.91
  4. Step 4: Simplify right side
    342,148.72x = 89,317,978,423.20
  5. Step 5: Solve for x
    x = 89,317,978,423.20/342,148.72
  6. Step 6: Final answer
    x = 261,050.16

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