Home / 150,956.78-208,325.38-82,976.18

Finding the Fourth Proportional to 150,956.78, 208,325.38 and 82,976.18

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Solution

The fourth proportional to 150,956.78, 208,325.38 and 82,976.18 is: 114,509.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,956.78 : 208,325.38 = 82,976.18 : x
  2. Step 2: Convert to fraction form
    150,956.78/208,325.38 = 82,976.18/x
  3. Step 3: Cross multiply
    150,956.78x = 208,325.38 × 82,976.18
  4. Step 4: Simplify right side
    150,956.78x = 17,286,044,229.45
  5. Step 5: Solve for x
    x = 17,286,044,229.45/150,956.78
  6. Step 6: Final answer
    x = 114,509.89

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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.