Home / 165,830.63-228,846.06-90,379.13

Finding the Fourth Proportional to 165,830.63, 228,846.06 and 90,379.13

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Solution

The fourth proportional to 165,830.63, 228,846.06 and 90,379.13 is: 124,723.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,830.63 : 228,846.06 = 90,379.13 : x
  2. Step 2: Convert to fraction form
    165,830.63/228,846.06 = 90,379.13/x
  3. Step 3: Cross multiply
    165,830.63x = 228,846.06 × 90,379.13
  4. Step 4: Simplify right side
    165,830.63x = 20,682,906,662.50
  5. Step 5: Solve for x
    x = 20,682,906,662.50/165,830.63
  6. Step 6: Final answer
    x = 124,723.08

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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.