Home / 143,621.04-215,529.96-50,126.79

Finding the Fourth Proportional to 143,621.04, 215,529.96 and 50,126.79

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Solution

The fourth proportional to 143,621.04, 215,529.96 and 50,126.79 is: 75,224.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,621.04 : 215,529.96 = 50,126.79 : x
  2. Step 2: Convert to fraction form
    143,621.04/215,529.96 = 50,126.79/x
  3. Step 3: Cross multiply
    143,621.04x = 215,529.96 × 50,126.79
  4. Step 4: Simplify right side
    143,621.04x = 10,803,825,043.63
  5. Step 5: Solve for x
    x = 10,803,825,043.63/143,621.04
  6. Step 6: Final answer
    x = 75,224.53

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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.