Home / 202,862.20-279,855.52-131,265.32

Finding the Fourth Proportional to 202,862.20, 279,855.52 and 131,265.32

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Solution

The fourth proportional to 202,862.20, 279,855.52 and 131,265.32 is: 181,085.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,862.20 : 279,855.52 = 131,265.32 : x
  2. Step 2: Convert to fraction form
    202,862.20/279,855.52 = 131,265.32/x
  3. Step 3: Cross multiply
    202,862.20x = 279,855.52 × 131,265.32
  4. Step 4: Simplify right side
    202,862.20x = 36,735,324,386.57
  5. Step 5: Solve for x
    x = 36,735,324,386.57/202,862.20
  6. Step 6: Final answer
    x = 181,085.11

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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.