Home / 150,930.20-208,273.60-82,945.70

Finding the Fourth Proportional to 150,930.20, 208,273.60 and 82,945.70

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Solution

The fourth proportional to 150,930.20, 208,273.60 and 82,945.70 is: 114,459.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,930.20 : 208,273.60 = 82,945.70 : x
  2. Step 2: Convert to fraction form
    150,930.20/208,273.60 = 82,945.70/x
  3. Step 3: Cross multiply
    150,930.20x = 208,273.60 × 82,945.70
  4. Step 4: Simplify right side
    150,930.20x = 17,275,399,543.52
  5. Step 5: Solve for x
    x = 17,275,399,543.52/150,930.20
  6. Step 6: Final answer
    x = 114,459.53

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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.