Home / 135,620.26-203,430.40-52,514.26

Finding the Fourth Proportional to 135,620.26, 203,430.40 and 52,514.26

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Solution

The fourth proportional to 135,620.26, 203,430.40 and 52,514.26 is: 78,771.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,620.26 : 203,430.40 = 52,514.26 : x
  2. Step 2: Convert to fraction form
    135,620.26/203,430.40 = 52,514.26/x
  3. Step 3: Cross multiply
    135,620.26x = 203,430.40 × 52,514.26
  4. Step 4: Simplify right side
    135,620.26x = 10,682,996,917.50
  5. Step 5: Solve for x
    x = 10,682,996,917.50/135,620.26
  6. Step 6: Final answer
    x = 78,771.39

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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.