Home / 154,147.42-231,217.62-71,041.42

Finding the Fourth Proportional to 154,147.42, 231,217.62 and 71,041.42

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Solution

The fourth proportional to 154,147.42, 231,217.62 and 71,041.42 is: 106,560.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,147.42 : 231,217.62 = 71,041.42 : x
  2. Step 2: Convert to fraction form
    154,147.42/231,217.62 = 71,041.42/x
  3. Step 3: Cross multiply
    154,147.42x = 231,217.62 × 71,041.42
  4. Step 4: Simplify right side
    154,147.42x = 16,426,028,053.82
  5. Step 5: Solve for x
    x = 16,426,028,053.82/154,147.42
  6. Step 6: Final answer
    x = 106,560.51

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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.