Home / 269,119.83-403,378.02-109,158.60

Finding the Fourth Proportional to 269,119.83, 403,378.02 and 109,158.60

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Solution

The fourth proportional to 269,119.83, 403,378.02 and 109,158.60 is: 163,615.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,119.83 : 403,378.02 = 109,158.60 : x
  2. Step 2: Convert to fraction form
    269,119.83/403,378.02 = 109,158.60/x
  3. Step 3: Cross multiply
    269,119.83x = 403,378.02 × 109,158.60
  4. Step 4: Simplify right side
    269,119.83x = 44,032,179,933.97
  5. Step 5: Solve for x
    x = 44,032,179,933.97/269,119.83
  6. Step 6: Final answer
    x = 163,615.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.