Home / 165,528.96-228,216.48-120,272.64

Finding the Fourth Proportional to 165,528.96, 228,216.48 and 120,272.64

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Solution

The fourth proportional to 165,528.96, 228,216.48 and 120,272.64 is: 165,821.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,528.96 : 228,216.48 = 120,272.64 : x
  2. Step 2: Convert to fraction form
    165,528.96/228,216.48 = 120,272.64/x
  3. Step 3: Cross multiply
    165,528.96x = 228,216.48 × 120,272.64
  4. Step 4: Simplify right side
    165,528.96x = 27,448,198,541.11
  5. Step 5: Solve for x
    x = 27,448,198,541.11/165,528.96
  6. Step 6: Final answer
    x = 165,821.13

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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.