Home / 165,093.60-247,640.40-164,109.45

Finding the Fourth Proportional to 165,093.60, 247,640.40 and 164,109.45

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Solution

The fourth proportional to 165,093.60, 247,640.40 and 164,109.45 is: 246,164.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,093.60 : 247,640.40 = 164,109.45 : x
  2. Step 2: Convert to fraction form
    165,093.60/247,640.40 = 164,109.45/x
  3. Step 3: Cross multiply
    165,093.60x = 247,640.40 × 164,109.45
  4. Step 4: Simplify right side
    165,093.60x = 40,640,129,841.78
  5. Step 5: Solve for x
    x = 40,640,129,841.78/165,093.60
  6. Step 6: Final answer
    x = 246,164.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.