Home / 165,726.12-228,708.63-94,112.82

Finding the Fourth Proportional to 165,726.12, 228,708.63 and 94,112.82

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Solution

The fourth proportional to 165,726.12, 228,708.63 and 94,112.82 is: 129,879.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,726.12 : 228,708.63 = 94,112.82 : x
  2. Step 2: Convert to fraction form
    165,726.12/228,708.63 = 94,112.82/x
  3. Step 3: Cross multiply
    165,726.12x = 228,708.63 × 94,112.82
  4. Step 4: Simplify right side
    165,726.12x = 21,524,414,127.64
  5. Step 5: Solve for x
    x = 21,524,414,127.64/165,726.12
  6. Step 6: Final answer
    x = 129,879.43

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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.