Home / 126,695.64-189,846.36-47,766.72

Finding the Fourth Proportional to 126,695.64, 189,846.36 and 47,766.72

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Solution

The fourth proportional to 126,695.64, 189,846.36 and 47,766.72 is: 71,575.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,695.64 : 189,846.36 = 47,766.72 : x
  2. Step 2: Convert to fraction form
    126,695.64/189,846.36 = 47,766.72/x
  3. Step 3: Cross multiply
    126,695.64x = 189,846.36 × 47,766.72
  4. Step 4: Simplify right side
    126,695.64x = 9,068,337,921.14
  5. Step 5: Solve for x
    x = 9,068,337,921.14/126,695.64
  6. Step 6: Final answer
    x = 71,575.77

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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.