Home / 126,247.32-189,443.34-51,353.64

Finding the Fourth Proportional to 126,247.32, 189,443.34 and 51,353.64

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Solution

The fourth proportional to 126,247.32, 189,443.34 and 51,353.64 is: 77,059.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,247.32 : 189,443.34 = 51,353.64 : x
  2. Step 2: Convert to fraction form
    126,247.32/189,443.34 = 51,353.64/x
  3. Step 3: Cross multiply
    126,247.32x = 189,443.34 × 51,353.64
  4. Step 4: Simplify right side
    126,247.32x = 9,728,605,082.76
  5. Step 5: Solve for x
    x = 9,728,605,082.76/126,247.32
  6. Step 6: Final answer
    x = 77,059.89

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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.