Home / 126,557.92-189,689.96-47,621.84

Finding the Fourth Proportional to 126,557.92, 189,689.96 and 47,621.84

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Solution

The fourth proportional to 126,557.92, 189,689.96 and 47,621.84 is: 71,377.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,557.92 : 189,689.96 = 47,621.84 : x
  2. Step 2: Convert to fraction form
    126,557.92/189,689.96 = 47,621.84/x
  3. Step 3: Cross multiply
    126,557.92x = 189,689.96 × 47,621.84
  4. Step 4: Simplify right side
    126,557.92x = 9,033,384,924.73
  5. Step 5: Solve for x
    x = 9,033,384,924.73/126,557.92
  6. Step 6: Final answer
    x = 71,377.48

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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.