Home / 250,186.69-345,257.13-135,465.45

Finding the Fourth Proportional to 250,186.69, 345,257.13 and 135,465.45

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Solution

The fourth proportional to 250,186.69, 345,257.13 and 135,465.45 is: 186,942.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,186.69 : 345,257.13 = 135,465.45 : x
  2. Step 2: Convert to fraction form
    250,186.69/345,257.13 = 135,465.45/x
  3. Step 3: Cross multiply
    250,186.69x = 345,257.13 × 135,465.45
  4. Step 4: Simplify right side
    250,186.69x = 46,770,411,694.44
  5. Step 5: Solve for x
    x = 46,770,411,694.44/250,186.69
  6. Step 6: Final answer
    x = 186,942.05

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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.