Home / 126,372.72-189,557.16-37,626.76

Finding the Fourth Proportional to 126,372.72, 189,557.16 and 37,626.76

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Solution

The fourth proportional to 126,372.72, 189,557.16 and 37,626.76 is: 56,439.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,372.72 : 189,557.16 = 37,626.76 : x
  2. Step 2: Convert to fraction form
    126,372.72/189,557.16 = 37,626.76/x
  3. Step 3: Cross multiply
    126,372.72x = 189,557.16 × 37,626.76
  4. Step 4: Simplify right side
    126,372.72x = 7,132,421,765.60
  5. Step 5: Solve for x
    x = 7,132,421,765.60/126,372.72
  6. Step 6: Final answer
    x = 56,439.57

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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.