Home / 250,090.31-345,157.48-142,635.71

Finding the Fourth Proportional to 250,090.31, 345,157.48 and 142,635.71

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Solution

The fourth proportional to 250,090.31, 345,157.48 and 142,635.71 is: 196,856.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,090.31 : 345,157.48 = 142,635.71 : x
  2. Step 2: Convert to fraction form
    250,090.31/345,157.48 = 142,635.71/x
  3. Step 3: Cross multiply
    250,090.31x = 345,157.48 × 142,635.71
  4. Step 4: Simplify right side
    250,090.31x = 49,231,782,221.61
  5. Step 5: Solve for x
    x = 49,231,782,221.61/250,090.31
  6. Step 6: Final answer
    x = 196,856.02

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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.