Home / 126,577.64-189,861.39-31,808.58

Finding the Fourth Proportional to 126,577.64, 189,861.39 and 31,808.58

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Solution

The fourth proportional to 126,577.64, 189,861.39 and 31,808.58 is: 47,711.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,577.64 : 189,861.39 = 31,808.58 : x
  2. Step 2: Convert to fraction form
    126,577.64/189,861.39 = 31,808.58/x
  3. Step 3: Cross multiply
    126,577.64x = 189,861.39 × 31,808.58
  4. Step 4: Simplify right side
    126,577.64x = 6,039,221,212.73
  5. Step 5: Solve for x
    x = 6,039,221,212.73/126,577.64
  6. Step 6: Final answer
    x = 47,711.60

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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.