Home / 165,288.42-228,111.84-92,690.15

Finding the Fourth Proportional to 165,288.42, 228,111.84 and 92,690.15

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Solution

The fourth proportional to 165,288.42, 228,111.84 and 92,690.15 is: 127,920.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,288.42 : 228,111.84 = 92,690.15 : x
  2. Step 2: Convert to fraction form
    165,288.42/228,111.84 = 92,690.15/x
  3. Step 3: Cross multiply
    165,288.42x = 228,111.84 × 92,690.15
  4. Step 4: Simplify right side
    165,288.42x = 21,143,719,525.82
  5. Step 5: Solve for x
    x = 21,143,719,525.82/165,288.42
  6. Step 6: Final answer
    x = 127,920.15

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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.