Home / 143,423.14-215,126.48-54,685.60

Finding the Fourth Proportional to 143,423.14, 215,126.48 and 54,685.60

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Solution

The fourth proportional to 143,423.14, 215,126.48 and 54,685.60 is: 82,025.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,423.14 : 215,126.48 = 54,685.60 : x
  2. Step 2: Convert to fraction form
    143,423.14/215,126.48 = 54,685.60/x
  3. Step 3: Cross multiply
    143,423.14x = 215,126.48 × 54,685.60
  4. Step 4: Simplify right side
    143,423.14x = 11,764,320,634.69
  5. Step 5: Solve for x
    x = 11,764,320,634.69/143,423.14
  6. Step 6: Final answer
    x = 82,025.26

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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.