Home / 137,421.68-206,122.44-43,902.32

Finding the Fourth Proportional to 137,421.68, 206,122.44 and 43,902.32

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Solution

The fourth proportional to 137,421.68, 206,122.44 and 43,902.32 is: 65,850.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,421.68 : 206,122.44 = 43,902.32 : x
  2. Step 2: Convert to fraction form
    137,421.68/206,122.44 = 43,902.32/x
  3. Step 3: Cross multiply
    137,421.68x = 206,122.44 × 43,902.32
  4. Step 4: Simplify right side
    137,421.68x = 9,049,253,320.06
  5. Step 5: Solve for x
    x = 9,049,253,320.06/137,421.68
  6. Step 6: Final answer
    x = 65,850.26

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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.