Home / 250,249.56-345,349.44-137,072.40

Finding the Fourth Proportional to 250,249.56, 345,349.44 and 137,072.40

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Solution

The fourth proportional to 250,249.56, 345,349.44 and 137,072.40 is: 189,162.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,249.56 : 345,349.44 = 137,072.40 : x
  2. Step 2: Convert to fraction form
    250,249.56/345,349.44 = 137,072.40/x
  3. Step 3: Cross multiply
    250,249.56x = 345,349.44 × 137,072.40
  4. Step 4: Simplify right side
    250,249.56x = 47,337,876,579.46
  5. Step 5: Solve for x
    x = 47,337,876,579.46/250,249.56
  6. Step 6: Final answer
    x = 189,162.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.