Home / 133,122.60-199,586.70-54,196.20

Finding the Fourth Proportional to 133,122.60, 199,586.70 and 54,196.20

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Solution

The fourth proportional to 133,122.60, 199,586.70 and 54,196.20 is: 81,254.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,122.60 : 199,586.70 = 54,196.20 : x
  2. Step 2: Convert to fraction form
    133,122.60/199,586.70 = 54,196.20/x
  3. Step 3: Cross multiply
    133,122.60x = 199,586.70 × 54,196.20
  4. Step 4: Simplify right side
    133,122.60x = 10,816,840,710.54
  5. Step 5: Solve for x
    x = 10,816,840,710.54/133,122.60
  6. Step 6: Final answer
    x = 81,254.73

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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.