Home / 165,584.50-228,506.64-90,133

Finding the Fourth Proportional to 165,584.50, 228,506.64 and 90,133

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Solution

The fourth proportional to 165,584.50, 228,506.64 and 90,133 is: 124,383.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,584.50 : 228,506.64 = 90,133 : x
  2. Step 2: Convert to fraction form
    165,584.50/228,506.64 = 90,133/x
  3. Step 3: Cross multiply
    165,584.50x = 228,506.64 × 90,133
  4. Step 4: Simplify right side
    165,584.50x = 20,595,988,983.12
  5. Step 5: Solve for x
    x = 20,595,988,983.12/165,584.50
  6. Step 6: Final answer
    x = 124,383.56

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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.