Home / 202,436.28-279,386.82-117,553.41

Finding the Fourth Proportional to 202,436.28, 279,386.82 and 117,553.41

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Solution

The fourth proportional to 202,436.28, 279,386.82 and 117,553.41 is: 162,238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,436.28 : 279,386.82 = 117,553.41 : x
  2. Step 2: Convert to fraction form
    202,436.28/279,386.82 = 117,553.41/x
  3. Step 3: Cross multiply
    202,436.28x = 279,386.82 × 117,553.41
  4. Step 4: Simplify right side
    202,436.28x = 32,842,873,400.06
  5. Step 5: Solve for x
    x = 32,842,873,400.06/202,436.28
  6. Step 6: Final answer
    x = 162,238.08

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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.