Home / 165,247.36-228,040.96-89,797.12

Finding the Fourth Proportional to 165,247.36, 228,040.96 and 89,797.12

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Solution

The fourth proportional to 165,247.36, 228,040.96 and 89,797.12 is: 123,919.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,247.36 : 228,040.96 = 89,797.12 : x
  2. Step 2: Convert to fraction form
    165,247.36/228,040.96 = 89,797.12/x
  3. Step 3: Cross multiply
    165,247.36x = 228,040.96 × 89,797.12
  4. Step 4: Simplify right side
    165,247.36x = 20,477,421,450.04
  5. Step 5: Solve for x
    x = 20,477,421,450.04/165,247.36
  6. Step 6: Final answer
    x = 123,919.81

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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.