Home / 250,052.78-345,072.16-135,331.65

Finding the Fourth Proportional to 250,052.78, 345,072.16 and 135,331.65

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Solution

The fourth proportional to 250,052.78, 345,072.16 and 135,331.65 is: 186,757.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,052.78 : 345,072.16 = 135,331.65 : x
  2. Step 2: Convert to fraction form
    250,052.78/345,072.16 = 135,331.65/x
  3. Step 3: Cross multiply
    250,052.78x = 345,072.16 × 135,331.65
  4. Step 4: Simplify right side
    250,052.78x = 46,699,184,781.86
  5. Step 5: Solve for x
    x = 46,699,184,781.86/250,052.78
  6. Step 6: Final answer
    x = 186,757.31

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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.