Home / 102,522.40-153,805.20-43,327.60

Finding the Fourth Proportional to 102,522.40, 153,805.20 and 43,327.60

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Solution

The fourth proportional to 102,522.40, 153,805.20 and 43,327.60 is: 65,000.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,522.40 : 153,805.20 = 43,327.60 : x
  2. Step 2: Convert to fraction form
    102,522.40/153,805.20 = 43,327.60/x
  3. Step 3: Cross multiply
    102,522.40x = 153,805.20 × 43,327.60
  4. Step 4: Simplify right side
    102,522.40x = 6,664,010,183.52
  5. Step 5: Solve for x
    x = 6,664,010,183.52/102,522.40
  6. Step 6: Final answer
    x = 65,000.53

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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.