Home / 133,607.28-200,363.60-38,817.72

Finding the Fourth Proportional to 133,607.28, 200,363.60 and 38,817.72

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Solution

The fourth proportional to 133,607.28, 200,363.60 and 38,817.72 is: 58,212.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,607.28 : 200,363.60 = 38,817.72 : x
  2. Step 2: Convert to fraction form
    133,607.28/200,363.60 = 38,817.72/x
  3. Step 3: Cross multiply
    133,607.28x = 200,363.60 × 38,817.72
  4. Step 4: Simplify right side
    133,607.28x = 7,777,658,122.99
  5. Step 5: Solve for x
    x = 7,777,658,122.99/133,607.28
  6. Step 6: Final answer
    x = 58,212.83

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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.