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Finding the Fourth Proportional to 356,754.26, 535,130.30 and 90,514.28

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Solution

The fourth proportional to 356,754.26, 535,130.30 and 90,514.28 is: 135,771.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,754.26 : 535,130.30 = 90,514.28 : x
  2. Step 2: Convert to fraction form
    356,754.26/535,130.30 = 90,514.28/x
  3. Step 3: Cross multiply
    356,754.26x = 535,130.30 × 90,514.28
  4. Step 4: Simplify right side
    356,754.26x = 48,436,933,810.68
  5. Step 5: Solve for x
    x = 48,436,933,810.68/356,754.26
  6. Step 6: Final answer
    x = 135,771.14

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