Home / 200,426.84-276,588.97-109,788.45

Finding the Fourth Proportional to 200,426.84, 276,588.97 and 109,788.45

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Solution

The fourth proportional to 200,426.84, 276,588.97 and 109,788.45 is: 151,508.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,426.84 : 276,588.97 = 109,788.45 : x
  2. Step 2: Convert to fraction form
    200,426.84/276,588.97 = 109,788.45/x
  3. Step 3: Cross multiply
    200,426.84x = 276,588.97 × 109,788.45
  4. Step 4: Simplify right side
    200,426.84x = 30,366,274,303.40
  5. Step 5: Solve for x
    x = 30,366,274,303.40/200,426.84
  6. Step 6: Final answer
    x = 151,508.02

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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.