Home / 143,768.46-215,550.60-54,947.10

Finding the Fourth Proportional to 143,768.46, 215,550.60 and 54,947.10

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Solution

The fourth proportional to 143,768.46, 215,550.60 and 54,947.10 is: 82,381.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,768.46 : 215,550.60 = 54,947.10 : x
  2. Step 2: Convert to fraction form
    143,768.46/215,550.60 = 54,947.10/x
  3. Step 3: Cross multiply
    143,768.46x = 215,550.60 × 54,947.10
  4. Step 4: Simplify right side
    143,768.46x = 11,843,880,373.26
  5. Step 5: Solve for x
    x = 11,843,880,373.26/143,768.46
  6. Step 6: Final answer
    x = 82,381.63

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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.