Home / 145,664.22-218,517.84-74,627.04

Finding the Fourth Proportional to 145,664.22, 218,517.84 and 74,627.04

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Solution

The fourth proportional to 145,664.22, 218,517.84 and 74,627.04 is: 111,951.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,664.22 : 218,517.84 = 74,627.04 : x
  2. Step 2: Convert to fraction form
    145,664.22/218,517.84 = 74,627.04/x
  3. Step 3: Cross multiply
    145,664.22x = 218,517.84 × 74,627.04
  4. Step 4: Simplify right side
    145,664.22x = 16,307,339,586.39
  5. Step 5: Solve for x
    x = 16,307,339,586.39/145,664.22
  6. Step 6: Final answer
    x = 111,951.58

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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.