Home / 126,643.15-189,964.73-33,148.90

Finding the Fourth Proportional to 126,643.15, 189,964.73 and 33,148.90

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Solution

The fourth proportional to 126,643.15, 189,964.73 and 33,148.90 is: 49,723.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,643.15 : 189,964.73 = 33,148.90 : x
  2. Step 2: Convert to fraction form
    126,643.15/189,964.73 = 33,148.90/x
  3. Step 3: Cross multiply
    126,643.15x = 189,964.73 × 33,148.90
  4. Step 4: Simplify right side
    126,643.15x = 6,297,121,838.30
  5. Step 5: Solve for x
    x = 6,297,121,838.30/126,643.15
  6. Step 6: Final answer
    x = 49,723.35

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Similar ratio
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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.