Home / 122,771.12-184,155.88-31,586.44

Finding the Fourth Proportional to 122,771.12, 184,155.88 and 31,586.44

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Solution

The fourth proportional to 122,771.12, 184,155.88 and 31,586.44 is: 47,379.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,771.12 : 184,155.88 = 31,586.44 : x
  2. Step 2: Convert to fraction form
    122,771.12/184,155.88 = 31,586.44/x
  3. Step 3: Cross multiply
    122,771.12x = 184,155.88 × 31,586.44
  4. Step 4: Simplify right side
    122,771.12x = 5,816,828,654.27
  5. Step 5: Solve for x
    x = 5,816,828,654.27/122,771.12
  6. Step 6: Final answer
    x = 47,379.45

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1.5x scale

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.