Home / 143,609.24-215,444.93-43,766.79

Finding the Fourth Proportional to 143,609.24, 215,444.93 and 43,766.79

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Solution

The fourth proportional to 143,609.24, 215,444.93 and 43,766.79 is: 65,659.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,609.24 : 215,444.93 = 43,766.79 : x
  2. Step 2: Convert to fraction form
    143,609.24/215,444.93 = 43,766.79/x
  3. Step 3: Cross multiply
    143,609.24x = 215,444.93 × 43,766.79
  4. Step 4: Simplify right side
    143,609.24x = 9,429,333,007.87
  5. Step 5: Solve for x
    x = 9,429,333,007.87/143,609.24
  6. Step 6: Final answer
    x = 65,659.65

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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.