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Finding the Fourth Proportional to 154,372.23, 213,045.12 and 86,396.01

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Solution

The fourth proportional to 154,372.23, 213,045.12 and 86,396.01 is: 119,232.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,372.23 : 213,045.12 = 86,396.01 : x
  2. Step 2: Convert to fraction form
    154,372.23/213,045.12 = 86,396.01/x
  3. Step 3: Cross multiply
    154,372.23x = 213,045.12 × 86,396.01
  4. Step 4: Simplify right side
    154,372.23x = 18,406,248,317.97
  5. Step 5: Solve for x
    x = 18,406,248,317.97/154,372.23
  6. Step 6: Final answer
    x = 119,232.90

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