Home / 165,601.42-228,529.93-90,149.90

Finding the Fourth Proportional to 165,601.42, 228,529.93 and 90,149.90

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Solution

The fourth proportional to 165,601.42, 228,529.93 and 90,149.90 is: 124,406.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,601.42 : 228,529.93 = 90,149.90 : x
  2. Step 2: Convert to fraction form
    165,601.42/228,529.93 = 90,149.90/x
  3. Step 3: Cross multiply
    165,601.42x = 228,529.93 × 90,149.90
  4. Step 4: Simplify right side
    165,601.42x = 20,601,950,336.51
  5. Step 5: Solve for x
    x = 20,601,950,336.51/165,601.42
  6. Step 6: Final answer
    x = 124,406.85

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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.