Home / 223,036.88-307,751.20-126,240.26

Finding the Fourth Proportional to 223,036.88, 307,751.20 and 126,240.26

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Solution

The fourth proportional to 223,036.88, 307,751.20 and 126,240.26 is: 174,189.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,036.88 : 307,751.20 = 126,240.26 : x
  2. Step 2: Convert to fraction form
    223,036.88/307,751.20 = 126,240.26/x
  3. Step 3: Cross multiply
    223,036.88x = 307,751.20 × 126,240.26
  4. Step 4: Simplify right side
    223,036.88x = 38,850,589,648.96
  5. Step 5: Solve for x
    x = 38,850,589,648.96/223,036.88
  6. Step 6: Final answer
    x = 174,189.09

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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.