Home / 168,760.55-253,141.07-68,920.75

Finding the Fourth Proportional to 168,760.55, 253,141.07 and 68,920.75

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Solution

The fourth proportional to 168,760.55, 253,141.07 and 68,920.75 is: 103,381.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,760.55 : 253,141.07 = 68,920.75 : x
  2. Step 2: Convert to fraction form
    168,760.55/253,141.07 = 68,920.75/x
  3. Step 3: Cross multiply
    168,760.55x = 253,141.07 × 68,920.75
  4. Step 4: Simplify right side
    168,760.55x = 17,446,672,400.20
  5. Step 5: Solve for x
    x = 17,446,672,400.20/168,760.55
  6. Step 6: Final answer
    x = 103,381.23

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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.