Home / 123,243.67-184,942.05-78,902.24

Finding the Fourth Proportional to 123,243.67, 184,942.05 and 78,902.24

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Solution

The fourth proportional to 123,243.67, 184,942.05 and 78,902.24 is: 118,402.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,243.67 : 184,942.05 = 78,902.24 : x
  2. Step 2: Convert to fraction form
    123,243.67/184,942.05 = 78,902.24/x
  3. Step 3: Cross multiply
    123,243.67x = 184,942.05 × 78,902.24
  4. Step 4: Simplify right side
    123,243.67x = 14,592,342,181.66
  5. Step 5: Solve for x
    x = 14,592,342,181.66/123,243.67
  6. Step 6: Final answer
    x = 118,402.37

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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.