Home / 135,530.96-203,306.41-35,690.45

Finding the Fourth Proportional to 135,530.96, 203,306.41 and 35,690.45

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Solution

The fourth proportional to 135,530.96, 203,306.41 and 35,690.45 is: 53,538.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,530.96 : 203,306.41 = 35,690.45 : x
  2. Step 2: Convert to fraction form
    135,530.96/203,306.41 = 35,690.45/x
  3. Step 3: Cross multiply
    135,530.96x = 203,306.41 × 35,690.45
  4. Step 4: Simplify right side
    135,530.96x = 7,256,096,797.13
  5. Step 5: Solve for x
    x = 7,256,096,797.13/135,530.96
  6. Step 6: Final answer
    x = 53,538.30

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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.