Home / 145,608.42-218,321.96-61,325.09

Finding the Fourth Proportional to 145,608.42, 218,321.96 and 61,325.09

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Solution

The fourth proportional to 145,608.42, 218,321.96 and 61,325.09 is: 91,949.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,608.42 : 218,321.96 = 61,325.09 : x
  2. Step 2: Convert to fraction form
    145,608.42/218,321.96 = 61,325.09/x
  3. Step 3: Cross multiply
    145,608.42x = 218,321.96 × 61,325.09
  4. Step 4: Simplify right side
    145,608.42x = 13,388,612,447.74
  5. Step 5: Solve for x
    x = 13,388,612,447.74/145,608.42
  6. Step 6: Final answer
    x = 91,949.44

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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.