Home / 250,285.82-345,419.21-142,872.01

Finding the Fourth Proportional to 250,285.82, 345,419.21 and 142,872.01

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Solution

The fourth proportional to 250,285.82, 345,419.21 and 142,872.01 is: 197,177.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,285.82 : 345,419.21 = 142,872.01 : x
  2. Step 2: Convert to fraction form
    250,285.82/345,419.21 = 142,872.01/x
  3. Step 3: Cross multiply
    250,285.82x = 345,419.21 × 142,872.01
  4. Step 4: Simplify right side
    250,285.82x = 49,350,734,383.86
  5. Step 5: Solve for x
    x = 49,350,734,383.86/250,285.82
  6. Step 6: Final answer
    x = 197,177.51

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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.