Home / 165,416.22-228,273.75-89,965.98

Finding the Fourth Proportional to 165,416.22, 228,273.75 and 89,965.98

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Solution

The fourth proportional to 165,416.22, 228,273.75 and 89,965.98 is: 124,152.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,416.22 : 228,273.75 = 89,965.98 : x
  2. Step 2: Convert to fraction form
    165,416.22/228,273.75 = 89,965.98/x
  3. Step 3: Cross multiply
    165,416.22x = 228,273.75 × 89,965.98
  4. Step 4: Simplify right side
    165,416.22x = 20,536,871,627.03
  5. Step 5: Solve for x
    x = 20,536,871,627.03/165,416.22
  6. Step 6: Final answer
    x = 124,152.71

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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.