Home / 213,006.12-293,949.44-117,512.79

Finding the Fourth Proportional to 213,006.12, 293,949.44 and 117,512.79

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Solution

The fourth proportional to 213,006.12, 293,949.44 and 117,512.79 is: 162,168.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,006.12 : 293,949.44 = 117,512.79 : x
  2. Step 2: Convert to fraction form
    213,006.12/293,949.44 = 117,512.79/x
  3. Step 3: Cross multiply
    213,006.12x = 293,949.44 × 117,512.79
  4. Step 4: Simplify right side
    213,006.12x = 34,542,818,813.34
  5. Step 5: Solve for x
    x = 34,542,818,813.34/213,006.12
  6. Step 6: Final answer
    x = 162,168.20

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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.