Home / 142,659.40-196,869.66-82,229.64

Finding the Fourth Proportional to 142,659.40, 196,869.66 and 82,229.64

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Solution

The fourth proportional to 142,659.40, 196,869.66 and 82,229.64 is: 113,476.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,659.40 : 196,869.66 = 82,229.64 : x
  2. Step 2: Convert to fraction form
    142,659.40/196,869.66 = 82,229.64/x
  3. Step 3: Cross multiply
    142,659.40x = 196,869.66 × 82,229.64
  4. Step 4: Simplify right side
    142,659.40x = 16,188,521,268.72
  5. Step 5: Solve for x
    x = 16,188,521,268.72/142,659.40
  6. Step 6: Final answer
    x = 113,476.72

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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.