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Finding the Fourth Proportional to 152,610, 228,978 and 82,406.64

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Solution

The fourth proportional to 152,610, 228,978 and 82,406.64 is: 123,643.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,610 : 228,978 = 82,406.64 : x
  2. Step 2: Convert to fraction form
    152,610/228,978 = 82,406.64/x
  3. Step 3: Cross multiply
    152,610x = 228,978 × 82,406.64
  4. Step 4: Simplify right side
    152,610x = 18,869,307,613.92
  5. Step 5: Solve for x
    x = 18,869,307,613.92/152,610
  6. Step 6: Final answer
    x = 123,643.98

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