Home / 146,587.60-219,622.20-129,998.80

Finding the Fourth Proportional to 146,587.60, 219,622.20 and 129,998.80

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Solution

The fourth proportional to 146,587.60, 219,622.20 and 129,998.80 is: 194,768.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,587.60 : 219,622.20 = 129,998.80 : x
  2. Step 2: Convert to fraction form
    146,587.60/219,622.20 = 129,998.80/x
  3. Step 3: Cross multiply
    146,587.60x = 219,622.20 × 129,998.80
  4. Step 4: Simplify right side
    146,587.60x = 28,550,622,453.36
  5. Step 5: Solve for x
    x = 28,550,622,453.36/146,587.60
  6. Step 6: Final answer
    x = 194,768.33

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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.