Home / 250,431.89-345,595.35-135,713.73

Finding the Fourth Proportional to 250,431.89, 345,595.35 and 135,713.73

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Solution

The fourth proportional to 250,431.89, 345,595.35 and 135,713.73 is: 187,284.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,431.89 : 345,595.35 = 135,713.73 : x
  2. Step 2: Convert to fraction form
    250,431.89/345,595.35 = 135,713.73/x
  3. Step 3: Cross multiply
    250,431.89x = 345,595.35 × 135,713.73
  4. Step 4: Simplify right side
    250,431.89x = 46,902,033,340.59
  5. Step 5: Solve for x
    x = 46,902,033,340.59/250,431.89
  6. Step 6: Final answer
    x = 187,284.59

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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.