Home / 250,470.12-345,649.96-135,748.73

Finding the Fourth Proportional to 250,470.12, 345,649.96 and 135,748.73

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Solution

The fourth proportional to 250,470.12, 345,649.96 and 135,748.73 is: 187,333.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,470.12 : 345,649.96 = 135,748.73 : x
  2. Step 2: Convert to fraction form
    250,470.12/345,649.96 = 135,748.73/x
  3. Step 3: Cross multiply
    250,470.12x = 345,649.96 × 135,748.73
  4. Step 4: Simplify right side
    250,470.12x = 46,921,544,128.36
  5. Step 5: Solve for x
    x = 46,921,544,128.36/250,470.12
  6. Step 6: Final answer
    x = 187,333.90

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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.