Home / 122,770.76-184,155.33-31,586.02

Finding the Fourth Proportional to 122,770.76, 184,155.33 and 31,586.02

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Solution

The fourth proportional to 122,770.76, 184,155.33 and 31,586.02 is: 47,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,770.76 : 184,155.33 = 31,586.02 : x
  2. Step 2: Convert to fraction form
    122,770.76/184,155.33 = 31,586.02/x
  3. Step 3: Cross multiply
    122,770.76x = 184,155.33 × 31,586.02
  4. Step 4: Simplify right side
    122,770.76x = 5,816,733,936.49
  5. Step 5: Solve for x
    x = 5,816,733,936.49/122,770.76
  6. Step 6: Final answer
    x = 47,378.82

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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.