Home / 200,416.20-276,574.60-108,535.64

Finding the Fourth Proportional to 200,416.20, 276,574.60 and 108,535.64

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Solution

The fourth proportional to 200,416.20, 276,574.60 and 108,535.64 is: 149,779.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,416.20 : 276,574.60 = 108,535.64 : x
  2. Step 2: Convert to fraction form
    200,416.20/276,574.60 = 108,535.64/x
  3. Step 3: Cross multiply
    200,416.20x = 276,574.60 × 108,535.64
  4. Step 4: Simplify right side
    200,416.20x = 30,018,201,218.74
  5. Step 5: Solve for x
    x = 30,018,201,218.74/200,416.20
  6. Step 6: Final answer
    x = 149,779.32

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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.