Home / 73,129.23-109,693.82-17,725.23

Finding the Fourth Proportional to 73,129.23, 109,693.82 and 17,725.23

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Solution

The fourth proportional to 73,129.23, 109,693.82 and 17,725.23 is: 26,587.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,129.23 : 109,693.82 = 17,725.23 : x
  2. Step 2: Convert to fraction form
    73,129.23/109,693.82 = 17,725.23/x
  3. Step 3: Cross multiply
    73,129.23x = 109,693.82 × 17,725.23
  4. Step 4: Simplify right side
    73,129.23x = 1,944,348,233.39
  5. Step 5: Solve for x
    x = 1,944,348,233.39/73,129.23
  6. Step 6: Final answer
    x = 26,587.84

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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.