Home / 135,710.22-203,500.62-60,830.99

Finding the Fourth Proportional to 135,710.22, 203,500.62 and 60,830.99

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Solution

The fourth proportional to 135,710.22, 203,500.62 and 60,830.99 is: 91,217.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,710.22 : 203,500.62 = 60,830.99 : x
  2. Step 2: Convert to fraction form
    135,710.22/203,500.62 = 60,830.99/x
  3. Step 3: Cross multiply
    135,710.22x = 203,500.62 × 60,830.99
  4. Step 4: Simplify right side
    135,710.22x = 12,379,143,162.71
  5. Step 5: Solve for x
    x = 12,379,143,162.71/135,710.22
  6. Step 6: Final answer
    x = 91,217.47

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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.