Home / 254,851.48-351,704.08-140,138.85

Finding the Fourth Proportional to 254,851.48, 351,704.08 and 140,138.85

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Solution

The fourth proportional to 254,851.48, 351,704.08 and 140,138.85 is: 193,396.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,851.48 : 351,704.08 = 140,138.85 : x
  2. Step 2: Convert to fraction form
    254,851.48/351,704.08 = 140,138.85/x
  3. Step 3: Cross multiply
    254,851.48x = 351,704.08 × 140,138.85
  4. Step 4: Simplify right side
    254,851.48x = 49,287,405,311.51
  5. Step 5: Solve for x
    x = 49,287,405,311.51/254,851.48
  6. Step 6: Final answer
    x = 193,396.58

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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.