Home / 143,947.70-215,902.65-44,117.90

Finding the Fourth Proportional to 143,947.70, 215,902.65 and 44,117.90

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Solution

The fourth proportional to 143,947.70, 215,902.65 and 44,117.90 is: 66,171.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,947.70 : 215,902.65 = 44,117.90 : x
  2. Step 2: Convert to fraction form
    143,947.70/215,902.65 = 44,117.90/x
  3. Step 3: Cross multiply
    143,947.70x = 215,902.65 × 44,117.90
  4. Step 4: Simplify right side
    143,947.70x = 9,525,171,522.44
  5. Step 5: Solve for x
    x = 9,525,171,522.44/143,947.70
  6. Step 6: Final answer
    x = 66,171.06

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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.