Home / 135,452.66-203,179.08-79,681.52

Finding the Fourth Proportional to 135,452.66, 203,179.08 and 79,681.52

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Solution

The fourth proportional to 135,452.66, 203,179.08 and 79,681.52 is: 119,522.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,452.66 : 203,179.08 = 79,681.52 : x
  2. Step 2: Convert to fraction form
    135,452.66/203,179.08 = 79,681.52/x
  3. Step 3: Cross multiply
    135,452.66x = 203,179.08 × 79,681.52
  4. Step 4: Simplify right side
    135,452.66x = 16,189,617,926.60
  5. Step 5: Solve for x
    x = 16,189,617,926.60/135,452.66
  6. Step 6: Final answer
    x = 119,522.33

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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.