Home / 133,000.77-199,591.53-54,129.35

Finding the Fourth Proportional to 133,000.77, 199,591.53 and 54,129.35

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Solution

The fourth proportional to 133,000.77, 199,591.53 and 54,129.35 is: 81,230.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,000.77 : 199,591.53 = 54,129.35 : x
  2. Step 2: Convert to fraction form
    133,000.77/199,591.53 = 54,129.35/x
  3. Step 3: Cross multiply
    133,000.77x = 199,591.53 × 54,129.35
  4. Step 4: Simplify right side
    133,000.77x = 10,803,759,784.41
  5. Step 5: Solve for x
    x = 10,803,759,784.41/133,000.77
  6. Step 6: Final answer
    x = 81,230.81

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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.