Home / 165,874.04-228,906.18-90,422.60

Finding the Fourth Proportional to 165,874.04, 228,906.18 and 90,422.60

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Solution

The fourth proportional to 165,874.04, 228,906.18 and 90,422.60 is: 124,783.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,874.04 : 228,906.18 = 90,422.60 : x
  2. Step 2: Convert to fraction form
    165,874.04/228,906.18 = 90,422.60/x
  3. Step 3: Cross multiply
    165,874.04x = 228,906.18 × 90,422.60
  4. Step 4: Simplify right side
    165,874.04x = 20,698,291,951.67
  5. Step 5: Solve for x
    x = 20,698,291,951.67/165,874.04
  6. Step 6: Final answer
    x = 124,783.19

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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.