Home / 200,279.10-276,260.65-123,821.58

Finding the Fourth Proportional to 200,279.10, 276,260.65 and 123,821.58

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Solution

The fourth proportional to 200,279.10, 276,260.65 and 123,821.58 is: 170,796.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,279.10 : 276,260.65 = 123,821.58 : x
  2. Step 2: Convert to fraction form
    200,279.10/276,260.65 = 123,821.58/x
  3. Step 3: Cross multiply
    200,279.10x = 276,260.65 × 123,821.58
  4. Step 4: Simplify right side
    200,279.10x = 34,207,030,174.83
  5. Step 5: Solve for x
    x = 34,207,030,174.83/200,279.10
  6. Step 6: Final answer
    x = 170,796.80

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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.