Home / 165,823.83-228,841.34-90,377.19

Finding the Fourth Proportional to 165,823.83, 228,841.34 and 90,377.19

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Solution

The fourth proportional to 165,823.83, 228,841.34 and 90,377.19 is: 124,722.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,823.83 : 228,841.34 = 90,377.19 : x
  2. Step 2: Convert to fraction form
    165,823.83/228,841.34 = 90,377.19/x
  3. Step 3: Cross multiply
    165,823.83x = 228,841.34 × 90,377.19
  4. Step 4: Simplify right side
    165,823.83x = 20,682,036,813.15
  5. Step 5: Solve for x
    x = 20,682,036,813.15/165,823.83
  6. Step 6: Final answer
    x = 124,722.95

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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.