Home / 250,340.51-345,467.67-135,616.56

Finding the Fourth Proportional to 250,340.51, 345,467.67 and 135,616.56

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Solution

The fourth proportional to 250,340.51, 345,467.67 and 135,616.56 is: 187,149.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,340.51 : 345,467.67 = 135,616.56 : x
  2. Step 2: Convert to fraction form
    250,340.51/345,467.67 = 135,616.56/x
  3. Step 3: Cross multiply
    250,340.51x = 345,467.67 × 135,616.56
  4. Step 4: Simplify right side
    250,340.51x = 46,851,136,996.62
  5. Step 5: Solve for x
    x = 46,851,136,996.62/250,340.51
  6. Step 6: Final answer
    x = 187,149.65

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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.