Home / 126,401.85-189,602.78-32,907.60

Finding the Fourth Proportional to 126,401.85, 189,602.78 and 32,907.60

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Solution

The fourth proportional to 126,401.85, 189,602.78 and 32,907.60 is: 49,361.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,401.85 : 189,602.78 = 32,907.60 : x
  2. Step 2: Convert to fraction form
    126,401.85/189,602.78 = 32,907.60/x
  3. Step 3: Cross multiply
    126,401.85x = 189,602.78 × 32,907.60
  4. Step 4: Simplify right side
    126,401.85x = 6,239,372,278.59
  5. Step 5: Solve for x
    x = 6,239,372,278.59/126,401.85
  6. Step 6: Final answer
    x = 49,361.40

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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.