Home / 200,075.37-276,112.85-115,219.77

Finding the Fourth Proportional to 200,075.37, 276,112.85 and 115,219.77

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Solution

The fourth proportional to 200,075.37, 276,112.85 and 115,219.77 is: 159,008.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,075.37 : 276,112.85 = 115,219.77 : x
  2. Step 2: Convert to fraction form
    200,075.37/276,112.85 = 115,219.77/x
  3. Step 3: Cross multiply
    200,075.37x = 276,112.85 × 115,219.77
  4. Step 4: Simplify right side
    200,075.37x = 31,813,658,107.63
  5. Step 5: Solve for x
    x = 31,813,658,107.63/200,075.37
  6. Step 6: Final answer
    x = 159,008.37

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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.