Home / 202,419.07-279,346.62-125,983.42

Finding the Fourth Proportional to 202,419.07, 279,346.62 and 125,983.42

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Solution

The fourth proportional to 202,419.07, 279,346.62 and 125,983.42 is: 173,862.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,419.07 : 279,346.62 = 125,983.42 : x
  2. Step 2: Convert to fraction form
    202,419.07/279,346.62 = 125,983.42/x
  3. Step 3: Cross multiply
    202,419.07x = 279,346.62 × 125,983.42
  4. Step 4: Simplify right side
    202,419.07x = 35,193,042,327.11
  5. Step 5: Solve for x
    x = 35,193,042,327.11/202,419.07
  6. Step 6: Final answer
    x = 173,862.29

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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.