Home / 250,188.06-345,256.92-135,464.72

Finding the Fourth Proportional to 250,188.06, 345,256.92 and 135,464.72

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Solution

The fourth proportional to 250,188.06, 345,256.92 and 135,464.72 is: 186,939.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,188.06 : 345,256.92 = 135,464.72 : x
  2. Step 2: Convert to fraction form
    250,188.06/345,256.92 = 135,464.72/x
  3. Step 3: Cross multiply
    250,188.06x = 345,256.92 × 135,464.72
  4. Step 4: Simplify right side
    250,188.06x = 46,770,131,995.86
  5. Step 5: Solve for x
    x = 46,770,131,995.86/250,188.06
  6. Step 6: Final answer
    x = 186,939.90

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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.