Home / 223,179.39-307,986.57-121,204.05

Finding the Fourth Proportional to 223,179.39, 307,986.57 and 121,204.05

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Solution

The fourth proportional to 223,179.39, 307,986.57 and 121,204.05 is: 167,261.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,179.39 : 307,986.57 = 121,204.05 : x
  2. Step 2: Convert to fraction form
    223,179.39/307,986.57 = 121,204.05/x
  3. Step 3: Cross multiply
    223,179.39x = 307,986.57 × 121,204.05
  4. Step 4: Simplify right side
    223,179.39x = 37,329,219,629.61
  5. Step 5: Solve for x
    x = 37,329,219,629.61/223,179.39
  6. Step 6: Final answer
    x = 167,261.05

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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.