Home / 133,147.04-199,709.60-39,652.80

Finding the Fourth Proportional to 133,147.04, 199,709.60 and 39,652.80

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Solution

The fourth proportional to 133,147.04, 199,709.60 and 39,652.80 is: 59,475.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,147.04 : 199,709.60 = 39,652.80 : x
  2. Step 2: Convert to fraction form
    133,147.04/199,709.60 = 39,652.80/x
  3. Step 3: Cross multiply
    133,147.04x = 199,709.60 × 39,652.80
  4. Step 4: Simplify right side
    133,147.04x = 7,919,044,826.88
  5. Step 5: Solve for x
    x = 7,919,044,826.88/133,147.04
  6. Step 6: Final answer
    x = 59,475.94

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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.