Home / 143,532.32-215,344.58-43,711.83

Finding the Fourth Proportional to 143,532.32, 215,344.58 and 43,711.83

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Solution

The fourth proportional to 143,532.32, 215,344.58 and 43,711.83 is: 65,581.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,532.32 : 215,344.58 = 43,711.83 : x
  2. Step 2: Convert to fraction form
    143,532.32/215,344.58 = 43,711.83/x
  3. Step 3: Cross multiply
    143,532.32x = 215,344.58 × 43,711.83
  4. Step 4: Simplify right side
    143,532.32x = 9,413,105,453.82
  5. Step 5: Solve for x
    x = 9,413,105,453.82/143,532.32
  6. Step 6: Final answer
    x = 65,581.79

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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.