Home / 250,285.93-345,391.83-135,561.72

Finding the Fourth Proportional to 250,285.93, 345,391.83 and 135,561.72

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Solution

The fourth proportional to 250,285.93, 345,391.83 and 135,561.72 is: 187,073.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,285.93 : 345,391.83 = 135,561.72 : x
  2. Step 2: Convert to fraction form
    250,285.93/345,391.83 = 135,561.72/x
  3. Step 3: Cross multiply
    250,285.93x = 345,391.83 × 135,561.72
  4. Step 4: Simplify right side
    250,285.93x = 46,821,910,548.75
  5. Step 5: Solve for x
    x = 46,821,910,548.75/250,285.93
  6. Step 6: Final answer
    x = 187,073.68

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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.