Home / 143,318.60-214,824.30-54,537.80

Finding the Fourth Proportional to 143,318.60, 214,824.30 and 54,537.80

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Solution

The fourth proportional to 143,318.60, 214,824.30 and 54,537.80 is: 81,748.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,318.60 : 214,824.30 = 54,537.80 : x
  2. Step 2: Convert to fraction form
    143,318.60/214,824.30 = 54,537.80/x
  3. Step 3: Cross multiply
    143,318.60x = 214,824.30 × 54,537.80
  4. Step 4: Simplify right side
    143,318.60x = 11,716,044,708.54
  5. Step 5: Solve for x
    x = 11,716,044,708.54/143,318.60
  6. Step 6: Final answer
    x = 81,748.25

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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.