Home / 133,076.80-199,346.40-83,003.20

Finding the Fourth Proportional to 133,076.80, 199,346.40 and 83,003.20

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Solution

The fourth proportional to 133,076.80, 199,346.40 and 83,003.20 is: 124,337.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,076.80 : 199,346.40 = 83,003.20 : x
  2. Step 2: Convert to fraction form
    133,076.80/199,346.40 = 83,003.20/x
  3. Step 3: Cross multiply
    133,076.80x = 199,346.40 × 83,003.20
  4. Step 4: Simplify right side
    133,076.80x = 16,546,389,108.48
  5. Step 5: Solve for x
    x = 16,546,389,108.48/133,076.80
  6. Step 6: Final answer
    x = 124,337.14

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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.