Home / 126,189.98-189,321.60-40,799.00

Finding the Fourth Proportional to 126,189.98, 189,321.60 and 40,799.00

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Solution

The fourth proportional to 126,189.98, 189,321.60 and 40,799.00 is: 61,210.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,189.98 : 189,321.60 = 40,799.00 : x
  2. Step 2: Convert to fraction form
    126,189.98/189,321.60 = 40,799.00/x
  3. Step 3: Cross multiply
    126,189.98x = 189,321.60 × 40,799.00
  4. Step 4: Simplify right side
    126,189.98x = 7,724,131,011.79
  5. Step 5: Solve for x
    x = 7,724,131,011.79/126,189.98
  6. Step 6: Final answer
    x = 61,210.34

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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.