Home / 200,309.37-276,426.98-109,671.09

Finding the Fourth Proportional to 200,309.37, 276,426.98 and 109,671.09

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Solution

The fourth proportional to 200,309.37, 276,426.98 and 109,671.09 is: 151,346.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,309.37 : 276,426.98 = 109,671.09 : x
  2. Step 2: Convert to fraction form
    200,309.37/276,426.98 = 109,671.09/x
  3. Step 3: Cross multiply
    200,309.37x = 276,426.98 × 109,671.09
  4. Step 4: Simplify right side
    200,309.37x = 30,316,047,653.65
  5. Step 5: Solve for x
    x = 30,316,047,653.65/200,309.37
  6. Step 6: Final answer
    x = 151,346.13

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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.