Home / 223,018.49-307,765.67-121,043.96

Finding the Fourth Proportional to 223,018.49, 307,765.67 and 121,043.96

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Solution

The fourth proportional to 223,018.49, 307,765.67 and 121,043.96 is: 167,040.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,018.49 : 307,765.67 = 121,043.96 : x
  2. Step 2: Convert to fraction form
    223,018.49/307,765.67 = 121,043.96/x
  3. Step 3: Cross multiply
    223,018.49x = 307,765.67 × 121,043.96
  4. Step 4: Simplify right side
    223,018.49x = 37,253,173,910.02
  5. Step 5: Solve for x
    x = 37,253,173,910.02/223,018.49
  6. Step 6: Final answer
    x = 167,040.74

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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.