Home / 121,264.70-181,896.44-31,307.31

Finding the Fourth Proportional to 121,264.70, 181,896.44 and 31,307.31

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Solution

The fourth proportional to 121,264.70, 181,896.44 and 31,307.31 is: 46,960.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,264.70 : 181,896.44 = 31,307.31 : x
  2. Step 2: Convert to fraction form
    121,264.70/181,896.44 = 31,307.31/x
  3. Step 3: Cross multiply
    121,264.70x = 181,896.44 × 31,307.31
  4. Step 4: Simplify right side
    121,264.70x = 5,694,688,078.44
  5. Step 5: Solve for x
    x = 5,694,688,078.44/121,264.70
  6. Step 6: Final answer
    x = 46,960.81

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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.