Home / 204,039.40-306,059.10-124,205.80

Finding the Fourth Proportional to 204,039.40, 306,059.10 and 124,205.80

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Solution

The fourth proportional to 204,039.40, 306,059.10 and 124,205.80 is: 186,308.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,039.40 : 306,059.10 = 124,205.80 : x
  2. Step 2: Convert to fraction form
    204,039.40/306,059.10 = 124,205.80/x
  3. Step 3: Cross multiply
    204,039.40x = 306,059.10 × 124,205.80
  4. Step 4: Simplify right side
    204,039.40x = 38,014,315,362.78
  5. Step 5: Solve for x
    x = 38,014,315,362.78/204,039.40
  6. Step 6: Final answer
    x = 186,308.70

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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.