Home / 432,650.25-648,975.38-137,162.25

Finding the Fourth Proportional to 432,650.25, 648,975.38 and 137,162.25

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Solution

The fourth proportional to 432,650.25, 648,975.38 and 137,162.25 is: 205,743.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,650.25 : 648,975.38 = 137,162.25 : x
  2. Step 2: Convert to fraction form
    432,650.25/648,975.38 = 137,162.25/x
  3. Step 3: Cross multiply
    432,650.25x = 648,975.38 × 137,162.25
  4. Step 4: Simplify right side
    432,650.25x = 89,014,922,629.59
  5. Step 5: Solve for x
    x = 89,014,922,629.59/432,650.25
  6. Step 6: Final answer
    x = 205,743.38

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Similar ratio
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.