Home / 126,147.85-189,189.54-37,380.60

Finding the Fourth Proportional to 126,147.85, 189,189.54 and 37,380.60

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Solution

The fourth proportional to 126,147.85, 189,189.54 and 37,380.60 is: 56,061.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,147.85 : 189,189.54 = 37,380.60 : x
  2. Step 2: Convert to fraction form
    126,147.85/189,189.54 = 37,380.60/x
  3. Step 3: Cross multiply
    126,147.85x = 189,189.54 × 37,380.60
  4. Step 4: Simplify right side
    126,147.85x = 7,072,018,466.36
  5. Step 5: Solve for x
    x = 7,072,018,466.36/126,147.85
  6. Step 6: Final answer
    x = 56,061.35

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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.