Home / 165,741.66-228,723.55-90,290.16

Finding the Fourth Proportional to 165,741.66, 228,723.55 and 90,290.16

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Solution

The fourth proportional to 165,741.66, 228,723.55 and 90,290.16 is: 124,600.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,741.66 : 228,723.55 = 90,290.16 : x
  2. Step 2: Convert to fraction form
    165,741.66/228,723.55 = 90,290.16/x
  3. Step 3: Cross multiply
    165,741.66x = 228,723.55 × 90,290.16
  4. Step 4: Simplify right side
    165,741.66x = 20,651,485,699.54
  5. Step 5: Solve for x
    x = 20,651,485,699.54/165,741.66
  6. Step 6: Final answer
    x = 124,600.45

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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.