Home / 182,403.37-251,832-125,138.53

Finding the Fourth Proportional to 182,403.37, 251,832 and 125,138.53

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Solution

The fourth proportional to 182,403.37, 251,832 and 125,138.53 is: 172,770.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,403.37 : 251,832 = 125,138.53 : x
  2. Step 2: Convert to fraction form
    182,403.37/251,832 = 125,138.53/x
  3. Step 3: Cross multiply
    182,403.37x = 251,832 × 125,138.53
  4. Step 4: Simplify right side
    182,403.37x = 31,513,886,286.96
  5. Step 5: Solve for x
    x = 31,513,886,286.96/182,403.37
  6. Step 6: Final answer
    x = 172,770.31

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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.