Home / 135,951.28-203,926.92-52,864.72

Finding the Fourth Proportional to 135,951.28, 203,926.92 and 52,864.72

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Solution

The fourth proportional to 135,951.28, 203,926.92 and 52,864.72 is: 79,297.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,951.28 : 203,926.92 = 52,864.72 : x
  2. Step 2: Convert to fraction form
    135,951.28/203,926.92 = 52,864.72/x
  3. Step 3: Cross multiply
    135,951.28x = 203,926.92 × 52,864.72
  4. Step 4: Simplify right side
    135,951.28x = 10,780,539,526.26
  5. Step 5: Solve for x
    x = 10,780,539,526.26/135,951.28
  6. Step 6: Final answer
    x = 79,297.08

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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.