Home / 122,985.24-184,503.78-39,872.76

Finding the Fourth Proportional to 122,985.24, 184,503.78 and 39,872.76

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Solution

The fourth proportional to 122,985.24, 184,503.78 and 39,872.76 is: 59,817.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,985.24 : 184,503.78 = 39,872.76 : x
  2. Step 2: Convert to fraction form
    122,985.24/184,503.78 = 39,872.76/x
  3. Step 3: Cross multiply
    122,985.24x = 184,503.78 × 39,872.76
  4. Step 4: Simplify right side
    122,985.24x = 7,356,674,939.03
  5. Step 5: Solve for x
    x = 7,356,674,939.03/122,985.24
  6. Step 6: Final answer
    x = 59,817.54

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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.