Home / 67,173.27-100,725.14-19,782.20

Finding the Fourth Proportional to 67,173.27, 100,725.14 and 19,782.20

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Solution

The fourth proportional to 67,173.27, 100,725.14 and 19,782.20 is: 29,663.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,173.27 : 100,725.14 = 19,782.20 : x
  2. Step 2: Convert to fraction form
    67,173.27/100,725.14 = 19,782.20/x
  3. Step 3: Cross multiply
    67,173.27x = 100,725.14 × 19,782.20
  4. Step 4: Simplify right side
    67,173.27x = 1,992,564,261.97
  5. Step 5: Solve for x
    x = 1,992,564,261.97/67,173.27
  6. Step 6: Final answer
    x = 29,663.05

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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.