Home / 146,999.40-220,628.70-126,004.20

Finding the Fourth Proportional to 146,999.40, 220,628.70 and 126,004.20

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Solution

The fourth proportional to 146,999.40, 220,628.70 and 126,004.20 is: 189,117.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,999.40 : 220,628.70 = 126,004.20 : x
  2. Step 2: Convert to fraction form
    146,999.40/220,628.70 = 126,004.20/x
  3. Step 3: Cross multiply
    146,999.40x = 220,628.70 × 126,004.20
  4. Step 4: Simplify right side
    146,999.40x = 27,800,142,840.54
  5. Step 5: Solve for x
    x = 27,800,142,840.54/146,999.40
  6. Step 6: Final answer
    x = 189,117.39

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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.