Home / 200,278.10-276,259.28-123,820.58

Finding the Fourth Proportional to 200,278.10, 276,259.28 and 123,820.58

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Solution

The fourth proportional to 200,278.10, 276,259.28 and 123,820.58 is: 170,795.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,278.10 : 276,259.28 = 123,820.58 : x
  2. Step 2: Convert to fraction form
    200,278.10/276,259.28 = 123,820.58/x
  3. Step 3: Cross multiply
    200,278.10x = 276,259.28 × 123,820.58
  4. Step 4: Simplify right side
    200,278.10x = 34,206,584,351.53
  5. Step 5: Solve for x
    x = 34,206,584,351.53/200,278.10
  6. Step 6: Final answer
    x = 170,795.43

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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.