Home / 143,947.23-215,914.58-49,185.87

Finding the Fourth Proportional to 143,947.23, 215,914.58 and 49,185.87

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Solution

The fourth proportional to 143,947.23, 215,914.58 and 49,185.87 is: 73,776.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,947.23 : 215,914.58 = 49,185.87 : x
  2. Step 2: Convert to fraction form
    143,947.23/215,914.58 = 49,185.87/x
  3. Step 3: Cross multiply
    143,947.23x = 215,914.58 × 49,185.87
  4. Step 4: Simplify right side
    143,947.23x = 10,619,946,217.06
  5. Step 5: Solve for x
    x = 10,619,946,217.06/143,947.23
  6. Step 6: Final answer
    x = 73,776.66

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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.