Home / 213,872.12-294,941.56-159,544.20

Finding the Fourth Proportional to 213,872.12, 294,941.56 and 159,544.20

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Solution

The fourth proportional to 213,872.12, 294,941.56 and 159,544.20 is: 220,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,872.12 : 294,941.56 = 159,544.20 : x
  2. Step 2: Convert to fraction form
    213,872.12/294,941.56 = 159,544.20/x
  3. Step 3: Cross multiply
    213,872.12x = 294,941.56 × 159,544.20
  4. Step 4: Simplify right side
    213,872.12x = 47,056,215,236.95
  5. Step 5: Solve for x
    x = 47,056,215,236.95/213,872.12
  6. Step 6: Final answer
    x = 220,020.33

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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.