Home / 200,221.56-276,374.88-115,372.44

Finding the Fourth Proportional to 200,221.56, 276,374.88 and 115,372.44

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Solution

The fourth proportional to 200,221.56, 276,374.88 and 115,372.44 is: 159,253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,221.56 : 276,374.88 = 115,372.44 : x
  2. Step 2: Convert to fraction form
    200,221.56/276,374.88 = 115,372.44/x
  3. Step 3: Cross multiply
    200,221.56x = 276,374.88 × 115,372.44
  4. Step 4: Simplify right side
    200,221.56x = 31,886,044,260.31
  5. Step 5: Solve for x
    x = 31,886,044,260.31/200,221.56
  6. Step 6: Final answer
    x = 159,253.80

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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.