Home / 200,427.87-276,590.58-109,785.36

Finding the Fourth Proportional to 200,427.87, 276,590.58 and 109,785.36

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Solution

The fourth proportional to 200,427.87, 276,590.58 and 109,785.36 is: 151,503.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,427.87 : 276,590.58 = 109,785.36 : x
  2. Step 2: Convert to fraction form
    200,427.87/276,590.58 = 109,785.36/x
  3. Step 3: Cross multiply
    200,427.87x = 276,590.58 × 109,785.36
  4. Step 4: Simplify right side
    200,427.87x = 30,365,596,397.91
  5. Step 5: Solve for x
    x = 30,365,596,397.91/200,427.87
  6. Step 6: Final answer
    x = 151,503.86

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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.