Home / 214,370.07-295,964.46-138,021.54

Finding the Fourth Proportional to 214,370.07, 295,964.46 and 138,021.54

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Solution

The fourth proportional to 214,370.07, 295,964.46 and 138,021.54 is: 190,555.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,370.07 : 295,964.46 = 138,021.54 : x
  2. Step 2: Convert to fraction form
    214,370.07/295,964.46 = 138,021.54/x
  3. Step 3: Cross multiply
    214,370.07x = 295,964.46 × 138,021.54
  4. Step 4: Simplify right side
    214,370.07x = 40,849,470,554.47
  5. Step 5: Solve for x
    x = 40,849,470,554.47/214,370.07
  6. Step 6: Final answer
    x = 190,555.85

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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.