Home / 135,954.28-203,931.42-52,867.72

Finding the Fourth Proportional to 135,954.28, 203,931.42 and 52,867.72

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Solution

The fourth proportional to 135,954.28, 203,931.42 and 52,867.72 is: 79,301.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,954.28 : 203,931.42 = 52,867.72 : x
  2. Step 2: Convert to fraction form
    135,954.28/203,931.42 = 52,867.72/x
  3. Step 3: Cross multiply
    135,954.28x = 203,931.42 × 52,867.72
  4. Step 4: Simplify right side
    135,954.28x = 10,781,389,211.76
  5. Step 5: Solve for x
    x = 10,781,389,211.76/135,954.28
  6. Step 6: Final answer
    x = 79,301.58

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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.