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Finding the Fourth Proportional to 133,321.42, 199,962.46 and 49,062.01

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Solution

The fourth proportional to 133,321.42, 199,962.46 and 49,062.01 is: 73,585.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,321.42 : 199,962.46 = 49,062.01 : x
  2. Step 2: Convert to fraction form
    133,321.42/199,962.46 = 49,062.01/x
  3. Step 3: Cross multiply
    133,321.42x = 199,962.46 × 49,062.01
  4. Step 4: Simplify right side
    133,321.42x = 9,810,558,967.02
  5. Step 5: Solve for x
    x = 9,810,558,967.02/133,321.42
  6. Step 6: Final answer
    x = 73,585.77

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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.