Home / 143,942.56-215,920.32-44,095.48

Finding the Fourth Proportional to 143,942.56, 215,920.32 and 44,095.48

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Solution

The fourth proportional to 143,942.56, 215,920.32 and 44,095.48 is: 66,145.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,942.56 : 215,920.32 = 44,095.48 : x
  2. Step 2: Convert to fraction form
    143,942.56/215,920.32 = 44,095.48/x
  3. Step 3: Cross multiply
    143,942.56x = 215,920.32 × 44,095.48
  4. Step 4: Simplify right side
    143,942.56x = 9,521,110,152.15
  5. Step 5: Solve for x
    x = 9,521,110,152.15/143,942.56
  6. Step 6: Final answer
    x = 66,145.21

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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.