Home / 165,777.12-228,774.12-90,325.56

Finding the Fourth Proportional to 165,777.12, 228,774.12 and 90,325.56

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Solution

The fourth proportional to 165,777.12, 228,774.12 and 90,325.56 is: 124,650.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,777.12 : 228,774.12 = 90,325.56 : x
  2. Step 2: Convert to fraction form
    165,777.12/228,774.12 = 90,325.56/x
  3. Step 3: Cross multiply
    165,777.12x = 228,774.12 × 90,325.56
  4. Step 4: Simplify right side
    165,777.12x = 20,664,150,502.51
  5. Step 5: Solve for x
    x = 20,664,150,502.51/165,777.12
  6. Step 6: Final answer
    x = 124,650.20

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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.