Home / 223,211.70-307,945.30-126,393.32

Finding the Fourth Proportional to 223,211.70, 307,945.30 and 126,393.32

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Solution

The fourth proportional to 223,211.70, 307,945.30 and 126,393.32 is: 174,373.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,211.70 : 307,945.30 = 126,393.32 : x
  2. Step 2: Convert to fraction form
    223,211.70/307,945.30 = 126,393.32/x
  3. Step 3: Cross multiply
    223,211.70x = 307,945.30 × 126,393.32
  4. Step 4: Simplify right side
    223,211.70x = 38,922,228,845.40
  5. Step 5: Solve for x
    x = 38,922,228,845.40/223,211.70
  6. Step 6: Final answer
    x = 174,373.61

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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.