Home / 115,223.54-173,457.79-103,636.97

Finding the Fourth Proportional to 115,223.54, 173,457.79 and 103,636.97

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Solution

The fourth proportional to 115,223.54, 173,457.79 and 103,636.97 is: 156,015.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,223.54 : 173,457.79 = 103,636.97 : x
  2. Step 2: Convert to fraction form
    115,223.54/173,457.79 = 103,636.97/x
  3. Step 3: Cross multiply
    115,223.54x = 173,457.79 × 103,636.97
  4. Step 4: Simplify right side
    115,223.54x = 17,976,639,260.31
  5. Step 5: Solve for x
    x = 17,976,639,260.31/115,223.54
  6. Step 6: Final answer
    x = 156,015.34

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.