Home / 102,958.16-154,376.18-31,859.73

Finding the Fourth Proportional to 102,958.16, 154,376.18 and 31,859.73

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Solution

The fourth proportional to 102,958.16, 154,376.18 and 31,859.73 is: 47,770.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,958.16 : 154,376.18 = 31,859.73 : x
  2. Step 2: Convert to fraction form
    102,958.16/154,376.18 = 31,859.73/x
  3. Step 3: Cross multiply
    102,958.16x = 154,376.18 × 31,859.73
  4. Step 4: Simplify right side
    102,958.16x = 4,918,383,253.93
  5. Step 5: Solve for x
    x = 4,918,383,253.93/102,958.16
  6. Step 6: Final answer
    x = 47,770.70

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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.