Home / 250,628.40-345,867.60-137,451.84

Finding the Fourth Proportional to 250,628.40, 345,867.60 and 137,451.84

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Solution

The fourth proportional to 250,628.40, 345,867.60 and 137,451.84 is: 189,683.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,628.40 : 345,867.60 = 137,451.84 : x
  2. Step 2: Convert to fraction form
    250,628.40/345,867.60 = 137,451.84/x
  3. Step 3: Cross multiply
    250,628.40x = 345,867.60 × 137,451.84
  4. Step 4: Simplify right side
    250,628.40x = 47,540,138,016.38
  5. Step 5: Solve for x
    x = 47,540,138,016.38/250,628.40
  6. Step 6: Final answer
    x = 189,683.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.