Home / 133,333.81-200,000.73-53,408.08

Finding the Fourth Proportional to 133,333.81, 200,000.73 and 53,408.08

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Solution

The fourth proportional to 133,333.81, 200,000.73 and 53,408.08 is: 80,112.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,333.81 : 200,000.73 = 53,408.08 : x
  2. Step 2: Convert to fraction form
    133,333.81/200,000.73 = 53,408.08/x
  3. Step 3: Cross multiply
    133,333.81x = 200,000.73 × 53,408.08
  4. Step 4: Simplify right side
    133,333.81x = 10,681,654,987.90
  5. Step 5: Solve for x
    x = 10,681,654,987.90/133,333.81
  6. Step 6: Final answer
    x = 80,112.13

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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.