Home / 222,913.88-307,621.11-127,422.63

Finding the Fourth Proportional to 222,913.88, 307,621.11 and 127,422.63

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Solution

The fourth proportional to 222,913.88, 307,621.11 and 127,422.63 is: 175,843.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,913.88 : 307,621.11 = 127,422.63 : x
  2. Step 2: Convert to fraction form
    222,913.88/307,621.11 = 127,422.63/x
  3. Step 3: Cross multiply
    222,913.88x = 307,621.11 × 127,422.63
  4. Step 4: Simplify right side
    222,913.88x = 39,197,890,879.72
  5. Step 5: Solve for x
    x = 39,197,890,879.72/222,913.88
  6. Step 6: Final answer
    x = 175,843.21

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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.