Home / 126,271.23-189,177.13-73,520.79

Finding the Fourth Proportional to 126,271.23, 189,177.13 and 73,520.79

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Solution

The fourth proportional to 126,271.23, 189,177.13 and 73,520.79 is: 110,147.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,271.23 : 189,177.13 = 73,520.79 : x
  2. Step 2: Convert to fraction form
    126,271.23/189,177.13 = 73,520.79/x
  3. Step 3: Cross multiply
    126,271.23x = 189,177.13 × 73,520.79
  4. Step 4: Simplify right side
    126,271.23x = 13,908,452,047.53
  5. Step 5: Solve for x
    x = 13,908,452,047.53/126,271.23
  6. Step 6: Final answer
    x = 110,147.43

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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.