Home / 230,243.50-345,562.08-90,100.54

Finding the Fourth Proportional to 230,243.50, 345,562.08 and 90,100.54

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Solution

The fourth proportional to 230,243.50, 345,562.08 and 90,100.54 is: 135,227.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,243.50 : 345,562.08 = 90,100.54 : x
  2. Step 2: Convert to fraction form
    230,243.50/345,562.08 = 90,100.54/x
  3. Step 3: Cross multiply
    230,243.50x = 345,562.08 × 90,100.54
  4. Step 4: Simplify right side
    230,243.50x = 31,135,330,011.52
  5. Step 5: Solve for x
    x = 31,135,330,011.52/230,243.50
  6. Step 6: Final answer
    x = 135,227.83

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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.