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Finding the Fourth Proportional to 258,172.65, 386,698.17 and 124,773.14

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Solution

The fourth proportional to 258,172.65, 386,698.17 and 124,773.14 is: 186,888.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,172.65 : 386,698.17 = 124,773.14 : x
  2. Step 2: Convert to fraction form
    258,172.65/386,698.17 = 124,773.14/x
  3. Step 3: Cross multiply
    258,172.65x = 386,698.17 × 124,773.14
  4. Step 4: Simplify right side
    258,172.65x = 48,249,542,969.66
  5. Step 5: Solve for x
    x = 48,249,542,969.66/258,172.65
  6. Step 6: Final answer
    x = 186,888.67

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