Home / 165,462.88-228,343.68-90,016.48

Finding the Fourth Proportional to 165,462.88, 228,343.68 and 90,016.48

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Solution

The fourth proportional to 165,462.88, 228,343.68 and 90,016.48 is: 124,225.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,462.88 : 228,343.68 = 90,016.48 : x
  2. Step 2: Convert to fraction form
    165,462.88/228,343.68 = 90,016.48/x
  3. Step 3: Cross multiply
    165,462.88x = 228,343.68 × 90,016.48
  4. Step 4: Simplify right side
    165,462.88x = 20,554,694,303.85
  5. Step 5: Solve for x
    x = 20,554,694,303.85/165,462.88
  6. Step 6: Final answer
    x = 124,225.41

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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.