Home / 126,391.92-189,704.52-64,106.16

Finding the Fourth Proportional to 126,391.92, 189,704.52 and 64,106.16

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Solution

The fourth proportional to 126,391.92, 189,704.52 and 64,106.16 is: 96,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,391.92 : 189,704.52 = 64,106.16 : x
  2. Step 2: Convert to fraction form
    126,391.92/189,704.52 = 64,106.16/x
  3. Step 3: Cross multiply
    126,391.92x = 189,704.52 × 64,106.16
  4. Step 4: Simplify right side
    126,391.92x = 12,161,228,311.84
  5. Step 5: Solve for x
    x = 12,161,228,311.84/126,391.92
  6. Step 6: Final answer
    x = 96,218.40

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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.