Home / 230,084.20-345,255.90-89,824.60

Finding the Fourth Proportional to 230,084.20, 345,255.90 and 89,824.60

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Solution

The fourth proportional to 230,084.20, 345,255.90 and 89,824.60 is: 134,787.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,084.20 : 345,255.90 = 89,824.60 : x
  2. Step 2: Convert to fraction form
    230,084.20/345,255.90 = 89,824.60/x
  3. Step 3: Cross multiply
    230,084.20x = 345,255.90 × 89,824.60
  4. Step 4: Simplify right side
    230,084.20x = 31,012,473,115.14
  5. Step 5: Solve for x
    x = 31,012,473,115.14/230,084.20
  6. Step 6: Final answer
    x = 134,787.50

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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.