Home / 143,273.60-214,910.40-38,103.20

Finding the Fourth Proportional to 143,273.60, 214,910.40 and 38,103.20

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Solution

The fourth proportional to 143,273.60, 214,910.40 and 38,103.20 is: 57,154.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,273.60 : 214,910.40 = 38,103.20 : x
  2. Step 2: Convert to fraction form
    143,273.60/214,910.40 = 38,103.20/x
  3. Step 3: Cross multiply
    143,273.60x = 214,910.40 × 38,103.20
  4. Step 4: Simplify right side
    143,273.60x = 8,188,773,953.28
  5. Step 5: Solve for x
    x = 8,188,773,953.28/143,273.60
  6. Step 6: Final answer
    x = 57,154.80

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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.