Home / 154,034.65-231,074.01-47,427.62

Finding the Fourth Proportional to 154,034.65, 231,074.01 and 47,427.62

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Solution

The fourth proportional to 154,034.65, 231,074.01 and 47,427.62 is: 71,148.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,034.65 : 231,074.01 = 47,427.62 : x
  2. Step 2: Convert to fraction form
    154,034.65/231,074.01 = 47,427.62/x
  3. Step 3: Cross multiply
    154,034.65x = 231,074.01 × 47,427.62
  4. Step 4: Simplify right side
    154,034.65x = 10,959,290,338.16
  5. Step 5: Solve for x
    x = 10,959,290,338.16/154,034.65
  6. Step 6: Final answer
    x = 71,148.21

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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.