Home / 150,936.81-208,297.79-82,956.20

Finding the Fourth Proportional to 150,936.81, 208,297.79 and 82,956.20

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Solution

The fourth proportional to 150,936.81, 208,297.79 and 82,956.20 is: 114,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,936.81 : 208,297.79 = 82,956.20 : x
  2. Step 2: Convert to fraction form
    150,936.81/208,297.79 = 82,956.20/x
  3. Step 3: Cross multiply
    150,936.81x = 208,297.79 × 82,956.20
  4. Step 4: Simplify right side
    150,936.81x = 17,279,593,126.80
  5. Step 5: Solve for x
    x = 17,279,593,126.80/150,936.81
  6. Step 6: Final answer
    x = 114,482.30

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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.