Home / 121,013.27-181,512.97-46,140.98

Finding the Fourth Proportional to 121,013.27, 181,512.97 and 46,140.98

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Solution

The fourth proportional to 121,013.27, 181,512.97 and 46,140.98 is: 69,208.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,013.27 : 181,512.97 = 46,140.98 : x
  2. Step 2: Convert to fraction form
    121,013.27/181,512.97 = 46,140.98/x
  3. Step 3: Cross multiply
    121,013.27x = 181,512.97 × 46,140.98
  4. Step 4: Simplify right side
    121,013.27x = 8,375,185,295.59
  5. Step 5: Solve for x
    x = 8,375,185,295.59/121,013.27
  6. Step 6: Final answer
    x = 69,208.81

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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.