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Finding the Fourth Proportional to 165,909.40, 248,669.70 and 124,307.80

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Solution

The fourth proportional to 165,909.40, 248,669.70 and 124,307.80 is: 186,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,909.40 : 248,669.70 = 124,307.80 : x
  2. Step 2: Convert to fraction form
    165,909.40/248,669.70 = 124,307.80/x
  3. Step 3: Cross multiply
    165,909.40x = 248,669.70 × 124,307.80
  4. Step 4: Simplify right side
    165,909.40x = 30,911,583,333.66
  5. Step 5: Solve for x
    x = 30,911,583,333.66/165,909.40
  6. Step 6: Final answer
    x = 186,316.05

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