Home / 150,761.78-208,054.23-82,778.16

Finding the Fourth Proportional to 150,761.78, 208,054.23 and 82,778.16

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Solution

The fourth proportional to 150,761.78, 208,054.23 and 82,778.16 is: 114,235.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,761.78 : 208,054.23 = 82,778.16 : x
  2. Step 2: Convert to fraction form
    150,761.78/208,054.23 = 82,778.16/x
  3. Step 3: Cross multiply
    150,761.78x = 208,054.23 × 82,778.16
  4. Step 4: Simplify right side
    150,761.78x = 17,222,346,339.62
  5. Step 5: Solve for x
    x = 17,222,346,339.62/150,761.78
  6. Step 6: Final answer
    x = 114,235.49

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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.