Home / 200,266.50-276,368.04-124,815

Finding the Fourth Proportional to 200,266.50, 276,368.04 and 124,815

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Solution

The fourth proportional to 200,266.50, 276,368.04 and 124,815 is: 172,244.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,266.50 : 276,368.04 = 124,815 : x
  2. Step 2: Convert to fraction form
    200,266.50/276,368.04 = 124,815/x
  3. Step 3: Cross multiply
    200,266.50x = 276,368.04 × 124,815
  4. Step 4: Simplify right side
    200,266.50x = 34,494,876,912.60
  5. Step 5: Solve for x
    x = 34,494,876,912.60/200,266.50
  6. Step 6: Final answer
    x = 172,244.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.