Home / 143,533.14-215,314.39-54,861.28

Finding the Fourth Proportional to 143,533.14, 215,314.39 and 54,861.28

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Solution

The fourth proportional to 143,533.14, 215,314.39 and 54,861.28 is: 82,297.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,533.14 : 215,314.39 = 54,861.28 : x
  2. Step 2: Convert to fraction form
    143,533.14/215,314.39 = 54,861.28/x
  3. Step 3: Cross multiply
    143,533.14x = 215,314.39 × 54,861.28
  4. Step 4: Simplify right side
    143,533.14x = 11,812,423,037.82
  5. Step 5: Solve for x
    x = 11,812,423,037.82/143,533.14
  6. Step 6: Final answer
    x = 82,297.53

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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.