Home / 140,086.56-210,107.28-40,224.03

Finding the Fourth Proportional to 140,086.56, 210,107.28 and 40,224.03

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Solution

The fourth proportional to 140,086.56, 210,107.28 and 40,224.03 is: 60,329.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,086.56 : 210,107.28 = 40,224.03 : x
  2. Step 2: Convert to fraction form
    140,086.56/210,107.28 = 40,224.03/x
  3. Step 3: Cross multiply
    140,086.56x = 210,107.28 × 40,224.03
  4. Step 4: Simplify right side
    140,086.56x = 8,451,362,330.27
  5. Step 5: Solve for x
    x = 8,451,362,330.27/140,086.56
  6. Step 6: Final answer
    x = 60,329.57

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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.