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Finding the Fourth Proportional to 213,897.18, 321,161.18 and 119,312.16

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Solution

The fourth proportional to 213,897.18, 321,161.18 and 119,312.16 is: 179,144.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,897.18 : 321,161.18 = 119,312.16 : x
  2. Step 2: Convert to fraction form
    213,897.18/321,161.18 = 119,312.16/x
  3. Step 3: Cross multiply
    213,897.18x = 321,161.18 × 119,312.16
  4. Step 4: Simplify right side
    213,897.18x = 38,318,434,093.95
  5. Step 5: Solve for x
    x = 38,318,434,093.95/213,897.18
  6. Step 6: Final answer
    x = 179,144.18

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