Home / 89,287.20-133,930.80-26,949.60

Finding the Fourth Proportional to 89,287.20, 133,930.80 and 26,949.60

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Solution

The fourth proportional to 89,287.20, 133,930.80 and 26,949.60 is: 40,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,287.20 : 133,930.80 = 26,949.60 : x
  2. Step 2: Convert to fraction form
    89,287.20/133,930.80 = 26,949.60/x
  3. Step 3: Cross multiply
    89,287.20x = 133,930.80 × 26,949.60
  4. Step 4: Simplify right side
    89,287.20x = 3,609,381,487.68
  5. Step 5: Solve for x
    x = 3,609,381,487.68/89,287.20
  6. Step 6: Final answer
    x = 40,424.40

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1.5x scale

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.