Home / 165,993.36-229,068.84-90,540.24

Finding the Fourth Proportional to 165,993.36, 229,068.84 and 90,540.24

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Solution

The fourth proportional to 165,993.36, 229,068.84 and 90,540.24 is: 124,944.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,993.36 : 229,068.84 = 90,540.24 : x
  2. Step 2: Convert to fraction form
    165,993.36/229,068.84 = 90,540.24/x
  3. Step 3: Cross multiply
    165,993.36x = 229,068.84 × 90,540.24
  4. Step 4: Simplify right side
    165,993.36x = 20,739,947,750.12
  5. Step 5: Solve for x
    x = 20,739,947,750.12/165,993.36
  6. Step 6: Final answer
    x = 124,944.44

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1.5x scale

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.