Home / 126,050.40-188,845.20-102,549.60

Finding the Fourth Proportional to 126,050.40, 188,845.20 and 102,549.60

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Solution

The fourth proportional to 126,050.40, 188,845.20 and 102,549.60 is: 153,636.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,050.40 : 188,845.20 = 102,549.60 : x
  2. Step 2: Convert to fraction form
    126,050.40/188,845.20 = 102,549.60/x
  3. Step 3: Cross multiply
    126,050.40x = 188,845.20 × 102,549.60
  4. Step 4: Simplify right side
    126,050.40x = 19,365,999,721.92
  5. Step 5: Solve for x
    x = 19,365,999,721.92/126,050.40
  6. Step 6: Final answer
    x = 153,636.96

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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.