Home / 90,034.20-134,924.54-68,892.44

Finding the Fourth Proportional to 90,034.20, 134,924.54 and 68,892.44

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Solution

The fourth proportional to 90,034.20, 134,924.54 and 68,892.44 is: 103,241.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,034.20 : 134,924.54 = 68,892.44 : x
  2. Step 2: Convert to fraction form
    90,034.20/134,924.54 = 68,892.44/x
  3. Step 3: Cross multiply
    90,034.20x = 134,924.54 × 68,892.44
  4. Step 4: Simplify right side
    90,034.20x = 9,295,280,776.48
  5. Step 5: Solve for x
    x = 9,295,280,776.48/90,034.20
  6. Step 6: Final answer
    x = 103,241.67

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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.