Home / 165,480.41-228,363.96-90,029.45

Finding the Fourth Proportional to 165,480.41, 228,363.96 and 90,029.45

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Solution

The fourth proportional to 165,480.41, 228,363.96 and 90,029.45 is: 124,241.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,480.41 : 228,363.96 = 90,029.45 : x
  2. Step 2: Convert to fraction form
    165,480.41/228,363.96 = 90,029.45/x
  3. Step 3: Cross multiply
    165,480.41x = 228,363.96 × 90,029.45
  4. Step 4: Simplify right side
    165,480.41x = 20,559,480,576.80
  5. Step 5: Solve for x
    x = 20,559,480,576.80/165,480.41
  6. Step 6: Final answer
    x = 124,241.18

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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.