Home / 142,922.60-214,230.30-54,141.80

Finding the Fourth Proportional to 142,922.60, 214,230.30 and 54,141.80

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Solution

The fourth proportional to 142,922.60, 214,230.30 and 54,141.80 is: 81,154.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,922.60 : 214,230.30 = 54,141.80 : x
  2. Step 2: Convert to fraction form
    142,922.60/214,230.30 = 54,141.80/x
  3. Step 3: Cross multiply
    142,922.60x = 214,230.30 × 54,141.80
  4. Step 4: Simplify right side
    142,922.60x = 11,598,814,056.54
  5. Step 5: Solve for x
    x = 11,598,814,056.54/142,922.60
  6. Step 6: Final answer
    x = 81,154.51

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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.