Home / 223,205.48-308,025.82-121,231.92

Finding the Fourth Proportional to 223,205.48, 308,025.82 and 121,231.92

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Solution

The fourth proportional to 223,205.48, 308,025.82 and 121,231.92 is: 167,301.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,205.48 : 308,025.82 = 121,231.92 : x
  2. Step 2: Convert to fraction form
    223,205.48/308,025.82 = 121,231.92/x
  3. Step 3: Cross multiply
    223,205.48x = 308,025.82 × 121,231.92
  4. Step 4: Simplify right side
    223,205.48x = 37,342,561,568.17
  5. Step 5: Solve for x
    x = 37,342,561,568.17/223,205.48
  6. Step 6: Final answer
    x = 167,301.28

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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.