Home / 110,279.71-165,435.96-51,121.36

Finding the Fourth Proportional to 110,279.71, 165,435.96 and 51,121.36

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Solution

The fourth proportional to 110,279.71, 165,435.96 and 51,121.36 is: 76,689.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,279.71 : 165,435.96 = 51,121.36 : x
  2. Step 2: Convert to fraction form
    110,279.71/165,435.96 = 51,121.36/x
  3. Step 3: Cross multiply
    110,279.71x = 165,435.96 × 51,121.36
  4. Step 4: Simplify right side
    110,279.71x = 8,457,310,440.93
  5. Step 5: Solve for x
    x = 8,457,310,440.93/110,279.71
  6. Step 6: Final answer
    x = 76,689.64

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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.