Home / 165,630.75-228,575.31-90,184.11

Finding the Fourth Proportional to 165,630.75, 228,575.31 and 90,184.11

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Solution

The fourth proportional to 165,630.75, 228,575.31 and 90,184.11 is: 124,456.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,630.75 : 228,575.31 = 90,184.11 : x
  2. Step 2: Convert to fraction form
    165,630.75/228,575.31 = 90,184.11/x
  3. Step 3: Cross multiply
    165,630.75x = 228,575.31 × 90,184.11
  4. Step 4: Simplify right side
    165,630.75x = 20,613,860,900.32
  5. Step 5: Solve for x
    x = 20,613,860,900.32/165,630.75
  6. Step 6: Final answer
    x = 124,456.73

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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.