Home / 223,018.90-307,770.67-126,222.75

Finding the Fourth Proportional to 223,018.90, 307,770.67 and 126,222.75

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Solution

The fourth proportional to 223,018.90, 307,770.67 and 126,222.75 is: 174,189.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,018.90 : 307,770.67 = 126,222.75 : x
  2. Step 2: Convert to fraction form
    223,018.90/307,770.67 = 126,222.75/x
  3. Step 3: Cross multiply
    223,018.90x = 307,770.67 × 126,222.75
  4. Step 4: Simplify right side
    223,018.90x = 38,847,661,175.33
  5. Step 5: Solve for x
    x = 38,847,661,175.33/223,018.90
  6. Step 6: Final answer
    x = 174,189.99

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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.