Home / 165,360.20-228,203.70-93,749

Finding the Fourth Proportional to 165,360.20, 228,203.70 and 93,749

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Solution

The fourth proportional to 165,360.20, 228,203.70 and 93,749 is: 129,377.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,360.20 : 228,203.70 = 93,749 : x
  2. Step 2: Convert to fraction form
    165,360.20/228,203.70 = 93,749/x
  3. Step 3: Cross multiply
    165,360.20x = 228,203.70 × 93,749
  4. Step 4: Simplify right side
    165,360.20x = 21,393,868,671.30
  5. Step 5: Solve for x
    x = 21,393,868,671.30/165,360.20
  6. Step 6: Final answer
    x = 129,377.38

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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.