Home / 213,871.04-295,215.80-123,263.20

Finding the Fourth Proportional to 213,871.04, 295,215.80 and 123,263.20

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Solution

The fourth proportional to 213,871.04, 295,215.80 and 123,263.20 is: 170,145.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,871.04 : 295,215.80 = 123,263.20 : x
  2. Step 2: Convert to fraction form
    213,871.04/295,215.80 = 123,263.20/x
  3. Step 3: Cross multiply
    213,871.04x = 295,215.80 × 123,263.20
  4. Step 4: Simplify right side
    213,871.04x = 36,389,244,198.56
  5. Step 5: Solve for x
    x = 36,389,244,198.56/213,871.04
  6. Step 6: Final answer
    x = 170,145.73

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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.