Home / 154,146.54-231,241.80-47,539.46

Finding the Fourth Proportional to 154,146.54, 231,241.80 and 47,539.46

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Solution

The fourth proportional to 154,146.54, 231,241.80 and 47,539.46 is: 71,315.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,146.54 : 231,241.80 = 47,539.46 : x
  2. Step 2: Convert to fraction form
    154,146.54/231,241.80 = 47,539.46/x
  3. Step 3: Cross multiply
    154,146.54x = 231,241.80 × 47,539.46
  4. Step 4: Simplify right side
    154,146.54x = 10,993,110,301.43
  5. Step 5: Solve for x
    x = 10,993,110,301.43/154,146.54
  6. Step 6: Final answer
    x = 71,315.97

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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.