Home / 110,279.58-165,435.78-51,121.23

Finding the Fourth Proportional to 110,279.58, 165,435.78 and 51,121.23

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Solution

The fourth proportional to 110,279.58, 165,435.78 and 51,121.23 is: 76,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,279.58 : 165,435.78 = 51,121.23 : x
  2. Step 2: Convert to fraction form
    110,279.58/165,435.78 = 51,121.23/x
  3. Step 3: Cross multiply
    110,279.58x = 165,435.78 × 51,121.23
  4. Step 4: Simplify right side
    110,279.58x = 8,457,280,304.00
  5. Step 5: Solve for x
    x = 8,457,280,304.00/110,279.58
  6. Step 6: Final answer
    x = 76,689.45

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1.5x scale

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.