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Finding the Fourth Proportional to 231,953.79, 320,090.80 and 136,466.63

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Solution

The fourth proportional to 231,953.79, 320,090.80 and 136,466.63 is: 188,320.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,953.79 : 320,090.80 = 136,466.63 : x
  2. Step 2: Convert to fraction form
    231,953.79/320,090.80 = 136,466.63/x
  3. Step 3: Cross multiply
    231,953.79x = 320,090.80 × 136,466.63
  4. Step 4: Simplify right side
    231,953.79x = 43,681,712,087.67
  5. Step 5: Solve for x
    x = 43,681,712,087.67/231,953.79
  6. Step 6: Final answer
    x = 188,320.75

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