Home / 222,546.63-307,114.35-121,942.47

Finding the Fourth Proportional to 222,546.63, 307,114.35 and 121,942.47

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Solution

The fourth proportional to 222,546.63, 307,114.35 and 121,942.47 is: 168,280.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,546.63 : 307,114.35 = 121,942.47 : x
  2. Step 2: Convert to fraction form
    222,546.63/307,114.35 = 121,942.47/x
  3. Step 3: Cross multiply
    222,546.63x = 307,114.35 × 121,942.47
  4. Step 4: Simplify right side
    222,546.63x = 37,450,282,411.44
  5. Step 5: Solve for x
    x = 37,450,282,411.44/222,546.63
  6. Step 6: Final answer
    x = 168,280.61

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1.5x scale

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.