Home / 213,934.74-295,157.40-123,287.85

Finding the Fourth Proportional to 213,934.74, 295,157.40 and 123,287.85

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Solution

The fourth proportional to 213,934.74, 295,157.40 and 123,287.85 is: 170,095.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,934.74 : 295,157.40 = 123,287.85 : x
  2. Step 2: Convert to fraction form
    213,934.74/295,157.40 = 123,287.85/x
  3. Step 3: Cross multiply
    213,934.74x = 295,157.40 × 123,287.85
  4. Step 4: Simplify right side
    213,934.74x = 36,389,321,257.59
  5. Step 5: Solve for x
    x = 36,389,321,257.59/213,934.74
  6. Step 6: Final answer
    x = 170,095.43

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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.