Home / 165,919.64-228,969.33-90,468.14

Finding the Fourth Proportional to 165,919.64, 228,969.33 and 90,468.14

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Solution

The fourth proportional to 165,919.64, 228,969.33 and 90,468.14 is: 124,846.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,919.64 : 228,969.33 = 90,468.14 : x
  2. Step 2: Convert to fraction form
    165,919.64/228,969.33 = 90,468.14/x
  3. Step 3: Cross multiply
    165,919.64x = 228,969.33 × 90,468.14
  4. Step 4: Simplify right side
    165,919.64x = 20,714,429,714.88
  5. Step 5: Solve for x
    x = 20,714,429,714.88/165,919.64
  6. Step 6: Final answer
    x = 124,846.16

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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.