Home / 133,621.56-184,421.49-79,912.47

Finding the Fourth Proportional to 133,621.56, 184,421.49 and 79,912.47

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Solution

The fourth proportional to 133,621.56, 184,421.49 and 79,912.47 is: 110,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,621.56 : 184,421.49 = 79,912.47 : x
  2. Step 2: Convert to fraction form
    133,621.56/184,421.49 = 79,912.47/x
  3. Step 3: Cross multiply
    133,621.56x = 184,421.49 × 79,912.47
  4. Step 4: Simplify right side
    133,621.56x = 14,737,576,786.98
  5. Step 5: Solve for x
    x = 14,737,576,786.98/133,621.56
  6. Step 6: Final answer
    x = 110,293.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.