Home / 235,481.30-324,962.25-138,741.38

Finding the Fourth Proportional to 235,481.30, 324,962.25 and 138,741.38

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Solution

The fourth proportional to 235,481.30, 324,962.25 and 138,741.38 is: 191,461.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,481.30 : 324,962.25 = 138,741.38 : x
  2. Step 2: Convert to fraction form
    235,481.30/324,962.25 = 138,741.38/x
  3. Step 3: Cross multiply
    235,481.30x = 324,962.25 × 138,741.38
  4. Step 4: Simplify right side
    235,481.30x = 45,085,711,012.91
  5. Step 5: Solve for x
    x = 45,085,711,012.91/235,481.30
  6. Step 6: Final answer
    x = 191,461.96

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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.