Home / 200,422.70-276,583.40-109,780.19

Finding the Fourth Proportional to 200,422.70, 276,583.40 and 109,780.19

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Solution

The fourth proportional to 200,422.70, 276,583.40 and 109,780.19 is: 151,496.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,422.70 : 276,583.40 = 109,780.19 : x
  2. Step 2: Convert to fraction form
    200,422.70/276,583.40 = 109,780.19/x
  3. Step 3: Cross multiply
    200,422.70x = 276,583.40 × 109,780.19
  4. Step 4: Simplify right side
    200,422.70x = 30,363,376,271.03
  5. Step 5: Solve for x
    x = 30,363,376,271.03/200,422.70
  6. Step 6: Final answer
    x = 151,496.70

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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.