Home / 165,506.22-228,399.75-90,056.34

Finding the Fourth Proportional to 165,506.22, 228,399.75 and 90,056.34

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Solution

The fourth proportional to 165,506.22, 228,399.75 and 90,056.34 is: 124,278.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,506.22 : 228,399.75 = 90,056.34 : x
  2. Step 2: Convert to fraction form
    165,506.22/228,399.75 = 90,056.34/x
  3. Step 3: Cross multiply
    165,506.22x = 228,399.75 × 90,056.34
  4. Step 4: Simplify right side
    165,506.22x = 20,568,845,541.92
  5. Step 5: Solve for x
    x = 20,568,845,541.92/165,506.22
  6. Step 6: Final answer
    x = 124,278.38

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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.