Home / 135,405.88-203,136.15-93,306.13

Finding the Fourth Proportional to 135,405.88, 203,136.15 and 93,306.13

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Solution

The fourth proportional to 135,405.88, 203,136.15 and 93,306.13 is: 139,978.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,405.88 : 203,136.15 = 93,306.13 : x
  2. Step 2: Convert to fraction form
    135,405.88/203,136.15 = 93,306.13/x
  3. Step 3: Cross multiply
    135,405.88x = 203,136.15 × 93,306.13
  4. Step 4: Simplify right side
    135,405.88x = 18,953,847,861.66
  5. Step 5: Solve for x
    x = 18,953,847,861.66/135,405.88
  6. Step 6: Final answer
    x = 139,978.03

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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.