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Finding the Fourth Proportional to 223,700.49, 308,700.59 and 123,098.49

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Solution

The fourth proportional to 223,700.49, 308,700.59 and 123,098.49 is: 169,872.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,700.49 : 308,700.59 = 123,098.49 : x
  2. Step 2: Convert to fraction form
    223,700.49/308,700.59 = 123,098.49/x
  3. Step 3: Cross multiply
    223,700.49x = 308,700.59 × 123,098.49
  4. Step 4: Simplify right side
    223,700.49x = 38,000,575,875.62
  5. Step 5: Solve for x
    x = 38,000,575,875.62/223,700.49
  6. Step 6: Final answer
    x = 169,872.56

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