Home / 198,063.88-273,303.60-126,485.80

Finding the Fourth Proportional to 198,063.88, 273,303.60 and 126,485.80

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Solution

The fourth proportional to 198,063.88, 273,303.60 and 126,485.80 is: 174,534.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,063.88 : 273,303.60 = 126,485.80 : x
  2. Step 2: Convert to fraction form
    198,063.88/273,303.60 = 126,485.80/x
  3. Step 3: Cross multiply
    198,063.88x = 273,303.60 × 126,485.80
  4. Step 4: Simplify right side
    198,063.88x = 34,569,024,488.88
  5. Step 5: Solve for x
    x = 34,569,024,488.88/198,063.88
  6. Step 6: Final answer
    x = 174,534.72

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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.