Home / 200,228.82-276,288.48-119,639.31

Finding the Fourth Proportional to 200,228.82, 276,288.48 and 119,639.31

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Solution

The fourth proportional to 200,228.82, 276,288.48 and 119,639.31 is: 165,085.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,228.82 : 276,288.48 = 119,639.31 : x
  2. Step 2: Convert to fraction form
    200,228.82/276,288.48 = 119,639.31/x
  3. Step 3: Cross multiply
    200,228.82x = 276,288.48 × 119,639.31
  4. Step 4: Simplify right side
    200,228.82x = 33,054,963,108.15
  5. Step 5: Solve for x
    x = 33,054,963,108.15/200,228.82
  6. Step 6: Final answer
    x = 165,085.94

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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.