Home / 143,279.46-214,862.90-48,483.54

Finding the Fourth Proportional to 143,279.46, 214,862.90 and 48,483.54

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Solution

The fourth proportional to 143,279.46, 214,862.90 and 48,483.54 is: 72,706.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,279.46 : 214,862.90 = 48,483.54 : x
  2. Step 2: Convert to fraction form
    143,279.46/214,862.90 = 48,483.54/x
  3. Step 3: Cross multiply
    143,279.46x = 214,862.90 × 48,483.54
  4. Step 4: Simplify right side
    143,279.46x = 10,417,313,764.25
  5. Step 5: Solve for x
    x = 10,417,313,764.25/143,279.46
  6. Step 6: Final answer
    x = 72,706.26

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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.