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Finding the Fourth Proportional to 136,565.02, 188,460.48 and 76,139.44

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Solution

The fourth proportional to 136,565.02, 188,460.48 and 76,139.44 is: 105,072.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,565.02 : 188,460.48 = 76,139.44 : x
  2. Step 2: Convert to fraction form
    136,565.02/188,460.48 = 76,139.44/x
  3. Step 3: Cross multiply
    136,565.02x = 188,460.48 × 76,139.44
  4. Step 4: Simplify right side
    136,565.02x = 14,349,275,409.33
  5. Step 5: Solve for x
    x = 14,349,275,409.33/136,565.02
  6. Step 6: Final answer
    x = 105,072.85

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