Home / 117,971.44-162,800.82-64,256.29

Finding the Fourth Proportional to 117,971.44, 162,800.82 and 64,256.29

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Solution

The fourth proportional to 117,971.44, 162,800.82 and 64,256.29 is: 88,673.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,971.44 : 162,800.82 = 64,256.29 : x
  2. Step 2: Convert to fraction form
    117,971.44/162,800.82 = 64,256.29/x
  3. Step 3: Cross multiply
    117,971.44x = 162,800.82 × 64,256.29
  4. Step 4: Simplify right side
    117,971.44x = 10,460,976,295.16
  5. Step 5: Solve for x
    x = 10,460,976,295.16/117,971.44
  6. Step 6: Final answer
    x = 88,673.81

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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.