Home / 165,860.64-228,889.50-90,409.14

Finding the Fourth Proportional to 165,860.64, 228,889.50 and 90,409.14

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Solution

The fourth proportional to 165,860.64, 228,889.50 and 90,409.14 is: 124,765.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,860.64 : 228,889.50 = 90,409.14 : x
  2. Step 2: Convert to fraction form
    165,860.64/228,889.50 = 90,409.14/x
  3. Step 3: Cross multiply
    165,860.64x = 228,889.50 × 90,409.14
  4. Step 4: Simplify right side
    165,860.64x = 20,693,702,850.03
  5. Step 5: Solve for x
    x = 20,693,702,850.03/165,860.64
  6. Step 6: Final answer
    x = 124,765.60

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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.