Home / 223,210.96-308,033.36-121,238.42

Finding the Fourth Proportional to 223,210.96, 308,033.36 and 121,238.42

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Solution

The fourth proportional to 223,210.96, 308,033.36 and 121,238.42 is: 167,310.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,210.96 : 308,033.36 = 121,238.42 : x
  2. Step 2: Convert to fraction form
    223,210.96/308,033.36 = 121,238.42/x
  3. Step 3: Cross multiply
    223,210.96x = 308,033.36 × 121,238.42
  4. Step 4: Simplify right side
    223,210.96x = 37,345,476,636.62
  5. Step 5: Solve for x
    x = 37,345,476,636.62/223,210.96
  6. Step 6: Final answer
    x = 167,310.23

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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.