Home / 154,557.75-231,751.35-47,912.16

Finding the Fourth Proportional to 154,557.75, 231,751.35 and 47,912.16

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Solution

The fourth proportional to 154,557.75, 231,751.35 and 47,912.16 is: 71,841.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,557.75 : 231,751.35 = 47,912.16 : x
  2. Step 2: Convert to fraction form
    154,557.75/231,751.35 = 47,912.16/x
  3. Step 3: Cross multiply
    154,557.75x = 231,751.35 × 47,912.16
  4. Step 4: Simplify right side
    154,557.75x = 11,103,707,761.42
  5. Step 5: Solve for x
    x = 11,103,707,761.42/154,557.75
  6. Step 6: Final answer
    x = 71,841.81

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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.