Home / 223,841.82-308,895.82-121,865.04

Finding the Fourth Proportional to 223,841.82, 308,895.82 and 121,865.04

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Solution

The fourth proportional to 223,841.82, 308,895.82 and 121,865.04 is: 168,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,841.82 : 308,895.82 = 121,865.04 : x
  2. Step 2: Convert to fraction form
    223,841.82/308,895.82 = 121,865.04/x
  3. Step 3: Cross multiply
    223,841.82x = 308,895.82 × 121,865.04
  4. Step 4: Simplify right side
    223,841.82x = 37,643,601,460.13
  5. Step 5: Solve for x
    x = 37,643,601,460.13/223,841.82
  6. Step 6: Final answer
    x = 168,170.55

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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.