Home / 274,668.06-412,006.20-85,126.24

Finding the Fourth Proportional to 274,668.06, 412,006.20 and 85,126.24

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Solution

The fourth proportional to 274,668.06, 412,006.20 and 85,126.24 is: 127,690.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,668.06 : 412,006.20 = 85,126.24 : x
  2. Step 2: Convert to fraction form
    274,668.06/412,006.20 = 85,126.24/x
  3. Step 3: Cross multiply
    274,668.06x = 412,006.20 × 85,126.24
  4. Step 4: Simplify right side
    274,668.06x = 35,072,538,858.47
  5. Step 5: Solve for x
    x = 35,072,538,858.47/274,668.06
  6. Step 6: Final answer
    x = 127,690.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.