Home / 171,379.44-236,430.33-103,357.74

Finding the Fourth Proportional to 171,379.44, 236,430.33 and 103,357.74

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Solution

The fourth proportional to 171,379.44, 236,430.33 and 103,357.74 is: 142,589.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,379.44 : 236,430.33 = 103,357.74 : x
  2. Step 2: Convert to fraction form
    171,379.44/236,430.33 = 103,357.74/x
  3. Step 3: Cross multiply
    171,379.44x = 236,430.33 × 103,357.74
  4. Step 4: Simplify right side
    171,379.44x = 24,436,904,576.25
  5. Step 5: Solve for x
    x = 24,436,904,576.25/171,379.44
  6. Step 6: Final answer
    x = 142,589.48

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1.5x scale

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.