Home / 126,548.70-189,823.05-73,931.10

Finding the Fourth Proportional to 126,548.70, 189,823.05 and 73,931.10

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Solution

The fourth proportional to 126,548.70, 189,823.05 and 73,931.10 is: 110,896.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,548.70 : 189,823.05 = 73,931.10 : x
  2. Step 2: Convert to fraction form
    126,548.70/189,823.05 = 73,931.10/x
  3. Step 3: Cross multiply
    126,548.70x = 189,823.05 × 73,931.10
  4. Step 4: Simplify right side
    126,548.70x = 14,033,826,891.86
  5. Step 5: Solve for x
    x = 14,033,826,891.86/126,548.70
  6. Step 6: Final answer
    x = 110,896.65

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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.