Home / 165,272.64-228,076.14-89,821.12

Finding the Fourth Proportional to 165,272.64, 228,076.14 and 89,821.12

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Solution

The fourth proportional to 165,272.64, 228,076.14 and 89,821.12 is: 123,953.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,272.64 : 228,076.14 = 89,821.12 : x
  2. Step 2: Convert to fraction form
    165,272.64/228,076.14 = 89,821.12/x
  3. Step 3: Cross multiply
    165,272.64x = 228,076.14 × 89,821.12
  4. Step 4: Simplify right side
    165,272.64x = 20,486,054,340.08
  5. Step 5: Solve for x
    x = 20,486,054,340.08/165,272.64
  6. Step 6: Final answer
    x = 123,953.09

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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.