Home / 254,718.60-351,515.31-140,007.85

Finding the Fourth Proportional to 254,718.60, 351,515.31 and 140,007.85

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Solution

The fourth proportional to 254,718.60, 351,515.31 and 140,007.85 is: 193,212.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,718.60 : 351,515.31 = 140,007.85 : x
  2. Step 2: Convert to fraction form
    254,718.60/351,515.31 = 140,007.85/x
  3. Step 3: Cross multiply
    254,718.60x = 351,515.31 × 140,007.85
  4. Step 4: Simplify right side
    254,718.60x = 49,214,902,795.18
  5. Step 5: Solve for x
    x = 49,214,902,795.18/254,718.60
  6. Step 6: Final answer
    x = 193,212.83

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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.