Home / 134,561.20-202,279.20-115,315.60

Finding the Fourth Proportional to 134,561.20, 202,279.20 and 115,315.60

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Solution

The fourth proportional to 134,561.20, 202,279.20 and 115,315.60 is: 173,348.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,561.20 : 202,279.20 = 115,315.60 : x
  2. Step 2: Convert to fraction form
    134,561.20/202,279.20 = 115,315.60/x
  3. Step 3: Cross multiply
    134,561.20x = 202,279.20 × 115,315.60
  4. Step 4: Simplify right side
    134,561.20x = 23,325,947,315.52
  5. Step 5: Solve for x
    x = 23,325,947,315.52/134,561.20
  6. Step 6: Final answer
    x = 173,348.24

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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.