Home / 155,584.27-214,709.04-91,921.93

Finding the Fourth Proportional to 155,584.27, 214,709.04 and 91,921.93

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Solution

The fourth proportional to 155,584.27, 214,709.04 and 91,921.93 is: 126,853.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,584.27 : 214,709.04 = 91,921.93 : x
  2. Step 2: Convert to fraction form
    155,584.27/214,709.04 = 91,921.93/x
  3. Step 3: Cross multiply
    155,584.27x = 214,709.04 × 91,921.93
  4. Step 4: Simplify right side
    155,584.27x = 19,736,469,345.25
  5. Step 5: Solve for x
    x = 19,736,469,345.25/155,584.27
  6. Step 6: Final answer
    x = 126,853.89

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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.