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Finding the Fourth Proportional to 213,093.13, 319,691.75 and 70,938.13

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Solution

The fourth proportional to 213,093.13, 319,691.75 and 70,938.13 is: 106,424.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,093.13 : 319,691.75 = 70,938.13 : x
  2. Step 2: Convert to fraction form
    213,093.13/319,691.75 = 70,938.13/x
  3. Step 3: Cross multiply
    213,093.13x = 319,691.75 × 70,938.13
  4. Step 4: Simplify right side
    213,093.13x = 22,678,334,921.43
  5. Step 5: Solve for x
    x = 22,678,334,921.43/213,093.13
  6. Step 6: Final answer
    x = 106,424.52

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