Home / 165,817.50-228,829.77-90,367.62

Finding the Fourth Proportional to 165,817.50, 228,829.77 and 90,367.62

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Solution

The fourth proportional to 165,817.50, 228,829.77 and 90,367.62 is: 124,708.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,817.50 : 228,829.77 = 90,367.62 : x
  2. Step 2: Convert to fraction form
    165,817.50/228,829.77 = 90,367.62/x
  3. Step 3: Cross multiply
    165,817.50x = 228,829.77 × 90,367.62
  4. Step 4: Simplify right side
    165,817.50x = 20,678,801,700.05
  5. Step 5: Solve for x
    x = 20,678,801,700.05/165,817.50
  6. Step 6: Final answer
    x = 124,708.20

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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.