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Finding the Fourth Proportional to 250,080.34, 345,110.89 and 136,903.09

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Solution

The fourth proportional to 250,080.34, 345,110.89 and 136,903.09 is: 188,926.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,080.34 : 345,110.89 = 136,903.09 : x
  2. Step 2: Convert to fraction form
    250,080.34/345,110.89 = 136,903.09/x
  3. Step 3: Cross multiply
    250,080.34x = 345,110.89 × 136,903.09
  4. Step 4: Simplify right side
    250,080.34x = 47,246,747,233.65
  5. Step 5: Solve for x
    x = 47,246,747,233.65/250,080.34
  6. Step 6: Final answer
    x = 188,926.28

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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.