Home / 213,872.87-295,111.55-123,211.13

Finding the Fourth Proportional to 213,872.87, 295,111.55 and 123,211.13

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Solution

The fourth proportional to 213,872.87, 295,111.55 and 123,211.13 is: 170,012.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,872.87 : 295,111.55 = 123,211.13 : x
  2. Step 2: Convert to fraction form
    213,872.87/295,111.55 = 123,211.13/x
  3. Step 3: Cross multiply
    213,872.87x = 295,111.55 × 123,211.13
  4. Step 4: Simplify right side
    213,872.87x = 36,361,026,384.02
  5. Step 5: Solve for x
    x = 36,361,026,384.02/213,872.87
  6. Step 6: Final answer
    x = 170,012.33

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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.