Home / 250,147.14-345,199.62-136,969.88

Finding the Fourth Proportional to 250,147.14, 345,199.62 and 136,969.88

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Solution

The fourth proportional to 250,147.14, 345,199.62 and 136,969.88 is: 189,016.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,147.14 : 345,199.62 = 136,969.88 : x
  2. Step 2: Convert to fraction form
    250,147.14/345,199.62 = 136,969.88/x
  3. Step 3: Cross multiply
    250,147.14x = 345,199.62 × 136,969.88
  4. Step 4: Simplify right side
    250,147.14x = 47,281,950,527.45
  5. Step 5: Solve for x
    x = 47,281,950,527.45/250,147.14
  6. Step 6: Final answer
    x = 189,016.55

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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.