Home / 126,333.08-189,399.66-47,438.52

Finding the Fourth Proportional to 126,333.08, 189,399.66 and 47,438.52

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Solution

The fourth proportional to 126,333.08, 189,399.66 and 47,438.52 is: 71,120.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,333.08 : 189,399.66 = 47,438.52 : x
  2. Step 2: Convert to fraction form
    126,333.08/189,399.66 = 47,438.52/x
  3. Step 3: Cross multiply
    126,333.08x = 189,399.66 × 47,438.52
  4. Step 4: Simplify right side
    126,333.08x = 8,984,839,558.90
  5. Step 5: Solve for x
    x = 8,984,839,558.90/126,333.08
  6. Step 6: Final answer
    x = 71,120.24

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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.