Home / 126,056.25-189,084.38-47,207.61

Finding the Fourth Proportional to 126,056.25, 189,084.38 and 47,207.61

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Solution

The fourth proportional to 126,056.25, 189,084.38 and 47,207.61 is: 70,811.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,056.25 : 189,084.38 = 47,207.61 : x
  2. Step 2: Convert to fraction form
    126,056.25/189,084.38 = 47,207.61/x
  3. Step 3: Cross multiply
    126,056.25x = 189,084.38 × 47,207.61
  4. Step 4: Simplify right side
    126,056.25x = 8,926,221,432.09
  5. Step 5: Solve for x
    x = 8,926,221,432.09/126,056.25
  6. Step 6: Final answer
    x = 70,811.42

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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.