Home / 146,449.20-219,673.80-126,669

Finding the Fourth Proportional to 146,449.20, 219,673.80 and 126,669

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Solution

The fourth proportional to 146,449.20, 219,673.80 and 126,669 is: 190,003.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,449.20 : 219,673.80 = 126,669 : x
  2. Step 2: Convert to fraction form
    146,449.20/219,673.80 = 126,669/x
  3. Step 3: Cross multiply
    146,449.20x = 219,673.80 × 126,669
  4. Step 4: Simplify right side
    146,449.20x = 27,825,860,572.20
  5. Step 5: Solve for x
    x = 27,825,860,572.20/146,449.20
  6. Step 6: Final answer
    x = 190,003.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.