Home / 250,273.19-345,357.88-142,828.72

Finding the Fourth Proportional to 250,273.19, 345,357.88 and 142,828.72

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Solution

The fourth proportional to 250,273.19, 345,357.88 and 142,828.72 is: 197,092.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,273.19 : 345,357.88 = 142,828.72 : x
  2. Step 2: Convert to fraction form
    250,273.19/345,357.88 = 142,828.72/x
  3. Step 3: Cross multiply
    250,273.19x = 345,357.88 × 142,828.72
  4. Step 4: Simplify right side
    250,273.19x = 49,327,022,721.85
  5. Step 5: Solve for x
    x = 49,327,022,721.85/250,273.19
  6. Step 6: Final answer
    x = 197,092.71

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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.