Home / 121,181.26-181,854.91-42,295.48

Finding the Fourth Proportional to 121,181.26, 181,854.91 and 42,295.48

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Solution

The fourth proportional to 121,181.26, 181,854.91 and 42,295.48 is: 63,472.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,181.26 : 181,854.91 = 42,295.48 : x
  2. Step 2: Convert to fraction form
    121,181.26/181,854.91 = 42,295.48/x
  3. Step 3: Cross multiply
    121,181.26x = 181,854.91 × 42,295.48
  4. Step 4: Simplify right side
    121,181.26x = 7,691,640,497.33
  5. Step 5: Solve for x
    x = 7,691,640,497.33/121,181.26
  6. Step 6: Final answer
    x = 63,472.20

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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.