Home / 165,917.22-228,966.93-90,465.72

Finding the Fourth Proportional to 165,917.22, 228,966.93 and 90,465.72

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Solution

The fourth proportional to 165,917.22, 228,966.93 and 90,465.72 is: 124,843.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,917.22 : 228,966.93 = 90,465.72 : x
  2. Step 2: Convert to fraction form
    165,917.22/228,966.93 = 90,465.72/x
  3. Step 3: Cross multiply
    165,917.22x = 228,966.93 × 90,465.72
  4. Step 4: Simplify right side
    165,917.22x = 20,713,658,178.64
  5. Step 5: Solve for x
    x = 20,713,658,178.64/165,917.22
  6. Step 6: Final answer
    x = 124,843.33

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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.