Home / 143,509.20-215,147.16-50,080.56

Finding the Fourth Proportional to 143,509.20, 215,147.16 and 50,080.56

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Solution

The fourth proportional to 143,509.20, 215,147.16 and 50,080.56 is: 75,080.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,509.20 : 215,147.16 = 50,080.56 : x
  2. Step 2: Convert to fraction form
    143,509.20/215,147.16 = 50,080.56/x
  3. Step 3: Cross multiply
    143,509.20x = 215,147.16 × 50,080.56
  4. Step 4: Simplify right side
    143,509.20x = 10,774,690,255.21
  5. Step 5: Solve for x
    x = 10,774,690,255.21/143,509.20
  6. Step 6: Final answer
    x = 75,080.14

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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.