Home / 143,538.32-215,353.58-43,717.83

Finding the Fourth Proportional to 143,538.32, 215,353.58 and 43,717.83

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Solution

The fourth proportional to 143,538.32, 215,353.58 and 43,717.83 is: 65,590.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,538.32 : 215,353.58 = 43,717.83 : x
  2. Step 2: Convert to fraction form
    143,538.32/215,353.58 = 43,717.83/x
  3. Step 3: Cross multiply
    143,538.32x = 215,353.58 × 43,717.83
  4. Step 4: Simplify right side
    143,538.32x = 9,414,790,981.74
  5. Step 5: Solve for x
    x = 9,414,790,981.74/143,538.32
  6. Step 6: Final answer
    x = 65,590.79

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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.