Home / 133,271.80-199,942.32-39,777.52

Finding the Fourth Proportional to 133,271.80, 199,942.32 and 39,777.52

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Solution

The fourth proportional to 133,271.80, 199,942.32 and 39,777.52 is: 59,676.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,271.80 : 199,942.32 = 39,777.52 : x
  2. Step 2: Convert to fraction form
    133,271.80/199,942.32 = 39,777.52/x
  3. Step 3: Cross multiply
    133,271.80x = 199,942.32 × 39,777.52
  4. Step 4: Simplify right side
    133,271.80x = 7,953,209,632.65
  5. Step 5: Solve for x
    x = 7,953,209,632.65/133,271.80
  6. Step 6: Final answer
    x = 59,676.61

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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.