Home / 124,783.89-172,201.38-68,195.27

Finding the Fourth Proportional to 124,783.89, 172,201.38 and 68,195.27

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Solution

The fourth proportional to 124,783.89, 172,201.38 and 68,195.27 is: 94,109.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,783.89 : 172,201.38 = 68,195.27 : x
  2. Step 2: Convert to fraction form
    124,783.89/172,201.38 = 68,195.27/x
  3. Step 3: Cross multiply
    124,783.89x = 172,201.38 × 68,195.27
  4. Step 4: Simplify right side
    124,783.89x = 11,743,318,742.47
  5. Step 5: Solve for x
    x = 11,743,318,742.47/124,783.89
  6. Step 6: Final answer
    x = 94,109.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.