Home / 165,769.08-228,765.78-90,322.44

Finding the Fourth Proportional to 165,769.08, 228,765.78 and 90,322.44

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Solution

The fourth proportional to 165,769.08, 228,765.78 and 90,322.44 is: 124,647.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,769.08 : 228,765.78 = 90,322.44 : x
  2. Step 2: Convert to fraction form
    165,769.08/228,765.78 = 90,322.44/x
  3. Step 3: Cross multiply
    165,769.08x = 228,765.78 × 90,322.44
  4. Step 4: Simplify right side
    165,769.08x = 20,662,683,438.10
  5. Step 5: Solve for x
    x = 20,662,683,438.10/165,769.08
  6. Step 6: Final answer
    x = 124,647.39

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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.