Home / 126,052.20-189,078.30-55,938.60

Finding the Fourth Proportional to 126,052.20, 189,078.30 and 55,938.60

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Solution

The fourth proportional to 126,052.20, 189,078.30 and 55,938.60 is: 83,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,052.20 : 189,078.30 = 55,938.60 : x
  2. Step 2: Convert to fraction form
    126,052.20/189,078.30 = 55,938.60/x
  3. Step 3: Cross multiply
    126,052.20x = 189,078.30 × 55,938.60
  4. Step 4: Simplify right side
    126,052.20x = 10,576,775,392.38
  5. Step 5: Solve for x
    x = 10,576,775,392.38/126,052.20
  6. Step 6: Final answer
    x = 83,907.90

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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.