Home / 126,114.87-189,123.09-55,059.24

Finding the Fourth Proportional to 126,114.87, 189,123.09 and 55,059.24

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Solution

The fourth proportional to 126,114.87, 189,123.09 and 55,059.24 is: 82,567.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,114.87 : 189,123.09 = 55,059.24 : x
  2. Step 2: Convert to fraction form
    126,114.87/189,123.09 = 55,059.24/x
  3. Step 3: Cross multiply
    126,114.87x = 189,123.09 × 55,059.24
  4. Step 4: Simplify right side
    126,114.87x = 10,412,973,601.85
  5. Step 5: Solve for x
    x = 10,412,973,601.85/126,114.87
  6. Step 6: Final answer
    x = 82,567.37

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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.