Home / 143,020.88-214,381.60-48,218.28

Finding the Fourth Proportional to 143,020.88, 214,381.60 and 48,218.28

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Solution

The fourth proportional to 143,020.88, 214,381.60 and 48,218.28 is: 72,276.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,020.88 : 214,381.60 = 48,218.28 : x
  2. Step 2: Convert to fraction form
    143,020.88/214,381.60 = 48,218.28/x
  3. Step 3: Cross multiply
    143,020.88x = 214,381.60 × 48,218.28
  4. Step 4: Simplify right side
    143,020.88x = 10,337,112,015.65
  5. Step 5: Solve for x
    x = 10,337,112,015.65/143,020.88
  6. Step 6: Final answer
    x = 72,276.94

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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.