Home / 200,567.49-276,785.27-109,921.46

Finding the Fourth Proportional to 200,567.49, 276,785.27 and 109,921.46

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Solution

The fourth proportional to 200,567.49, 276,785.27 and 109,921.46 is: 151,692.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,567.49 : 276,785.27 = 109,921.46 : x
  2. Step 2: Convert to fraction form
    200,567.49/276,785.27 = 109,921.46/x
  3. Step 3: Cross multiply
    200,567.49x = 276,785.27 × 109,921.46
  4. Step 4: Simplify right side
    200,567.49x = 30,424,639,051.36
  5. Step 5: Solve for x
    x = 30,424,639,051.36/200,567.49
  6. Step 6: Final answer
    x = 151,692.77

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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.