Home / 168,801.42-253,128.29-80,080.23

Finding the Fourth Proportional to 168,801.42, 253,128.29 and 80,080.23

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Solution

The fourth proportional to 168,801.42, 253,128.29 and 80,080.23 is: 120,085.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,801.42 : 253,128.29 = 80,080.23 : x
  2. Step 2: Convert to fraction form
    168,801.42/253,128.29 = 80,080.23/x
  3. Step 3: Cross multiply
    168,801.42x = 253,128.29 × 80,080.23
  4. Step 4: Simplify right side
    168,801.42x = 20,270,571,282.31
  5. Step 5: Solve for x
    x = 20,270,571,282.31/168,801.42
  6. Step 6: Final answer
    x = 120,085.31

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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.