Home / 165,832.60-228,855.33-90,381.10

Finding the Fourth Proportional to 165,832.60, 228,855.33 and 90,381.10

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Solution

The fourth proportional to 165,832.60, 228,855.33 and 90,381.10 is: 124,729.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,832.60 : 228,855.33 = 90,381.10 : x
  2. Step 2: Convert to fraction form
    165,832.60/228,855.33 = 90,381.10/x
  3. Step 3: Cross multiply
    165,832.60x = 228,855.33 × 90,381.10
  4. Step 4: Simplify right side
    165,832.60x = 20,684,196,466.26
  5. Step 5: Solve for x
    x = 20,684,196,466.26/165,832.60
  6. Step 6: Final answer
    x = 124,729.37

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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.