Home / 214,629.64-296,128.89-134,138.93

Finding the Fourth Proportional to 214,629.64, 296,128.89 and 134,138.93

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Solution

The fourth proportional to 214,629.64, 296,128.89 and 134,138.93 is: 185,074.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,629.64 : 296,128.89 = 134,138.93 : x
  2. Step 2: Convert to fraction form
    214,629.64/296,128.89 = 134,138.93/x
  3. Step 3: Cross multiply
    214,629.64x = 296,128.89 × 134,138.93
  4. Step 4: Simplify right side
    214,629.64x = 39,722,412,446.69
  5. Step 5: Solve for x
    x = 39,722,412,446.69/214,629.64
  6. Step 6: Final answer
    x = 185,074.22

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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.