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Finding the Fourth Proportional to 139,328.61, 208,951.90 and 39,497.52

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Solution

The fourth proportional to 139,328.61, 208,951.90 and 39,497.52 is: 59,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,328.61 : 208,951.90 = 39,497.52 : x
  2. Step 2: Convert to fraction form
    139,328.61/208,951.90 = 39,497.52/x
  3. Step 3: Cross multiply
    139,328.61x = 208,951.90 × 39,497.52
  4. Step 4: Simplify right side
    139,328.61x = 8,253,082,756.29
  5. Step 5: Solve for x
    x = 8,253,082,756.29/139,328.61
  6. Step 6: Final answer
    x = 59,234.66

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