Home / 183,945.31-253,913.90-107,489.26

Finding the Fourth Proportional to 183,945.31, 253,913.90 and 107,489.26

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Solution

The fourth proportional to 183,945.31, 253,913.90 and 107,489.26 is: 148,375.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,945.31 : 253,913.90 = 107,489.26 : x
  2. Step 2: Convert to fraction form
    183,945.31/253,913.90 = 107,489.26/x
  3. Step 3: Cross multiply
    183,945.31x = 253,913.90 × 107,489.26
  4. Step 4: Simplify right side
    183,945.31x = 27,293,016,994.66
  5. Step 5: Solve for x
    x = 27,293,016,994.66/183,945.31
  6. Step 6: Final answer
    x = 148,375.72

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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.