Home / 513,020.88-769,531.32-139,043.88

Finding the Fourth Proportional to 513,020.88, 769,531.32 and 139,043.88

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Solution

The fourth proportional to 513,020.88, 769,531.32 and 139,043.88 is: 208,565.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,020.88 : 769,531.32 = 139,043.88 : x
  2. Step 2: Convert to fraction form
    513,020.88/769,531.32 = 139,043.88/x
  3. Step 3: Cross multiply
    513,020.88x = 769,531.32 × 139,043.88
  4. Step 4: Simplify right side
    513,020.88x = 106,998,620,514.32
  5. Step 5: Solve for x
    x = 106,998,620,514.32/513,020.88
  6. Step 6: Final answer
    x = 208,565.82

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