Home / 121,147.44-181,747.05-36,914.33

Finding the Fourth Proportional to 121,147.44, 181,747.05 and 36,914.33

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Solution

The fourth proportional to 121,147.44, 181,747.05 and 36,914.33 is: 55,379.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,147.44 : 181,747.05 = 36,914.33 : x
  2. Step 2: Convert to fraction form
    121,147.44/181,747.05 = 36,914.33/x
  3. Step 3: Cross multiply
    121,147.44x = 181,747.05 × 36,914.33
  4. Step 4: Simplify right side
    121,147.44x = 6,709,069,671.49
  5. Step 5: Solve for x
    x = 6,709,069,671.49/121,147.44
  6. Step 6: Final answer
    x = 55,379.38

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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.