Home / 230,052.20-345,207.90-89,792.60

Finding the Fourth Proportional to 230,052.20, 345,207.90 and 89,792.60

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Solution

The fourth proportional to 230,052.20, 345,207.90 and 89,792.60 is: 134,739.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,052.20 : 345,207.90 = 89,792.60 : x
  2. Step 2: Convert to fraction form
    230,052.20/345,207.90 = 89,792.60/x
  3. Step 3: Cross multiply
    230,052.20x = 345,207.90 × 89,792.60
  4. Step 4: Simplify right side
    230,052.20x = 30,997,114,881.54
  5. Step 5: Solve for x
    x = 30,997,114,881.54/230,052.20
  6. Step 6: Final answer
    x = 134,739.48

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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.