Home / 165,676.95-228,632.49-90,225.45

Finding the Fourth Proportional to 165,676.95, 228,632.49 and 90,225.45

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Solution

The fourth proportional to 165,676.95, 228,632.49 and 90,225.45 is: 124,510.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,676.95 : 228,632.49 = 90,225.45 : x
  2. Step 2: Convert to fraction form
    165,676.95/228,632.49 = 90,225.45/x
  3. Step 3: Cross multiply
    165,676.95x = 228,632.49 × 90,225.45
  4. Step 4: Simplify right side
    165,676.95x = 20,628,469,294.87
  5. Step 5: Solve for x
    x = 20,628,469,294.87/165,676.95
  6. Step 6: Final answer
    x = 124,510.19

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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.