Home / 151,933.52-209,650.20-91,503.20

Finding the Fourth Proportional to 151,933.52, 209,650.20 and 91,503.20

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Solution

The fourth proportional to 151,933.52, 209,650.20 and 91,503.20 is: 126,263.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,933.52 : 209,650.20 = 91,503.20 : x
  2. Step 2: Convert to fraction form
    151,933.52/209,650.20 = 91,503.20/x
  3. Step 3: Cross multiply
    151,933.52x = 209,650.20 × 91,503.20
  4. Step 4: Simplify right side
    151,933.52x = 19,183,664,180.64
  5. Step 5: Solve for x
    x = 19,183,664,180.64/151,933.52
  6. Step 6: Final answer
    x = 126,263.54

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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.