Home / 242,654.87-334,859.18-135,222.54

Finding the Fourth Proportional to 242,654.87, 334,859.18 and 135,222.54

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Solution

The fourth proportional to 242,654.87, 334,859.18 and 135,222.54 is: 186,604.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,654.87 : 334,859.18 = 135,222.54 : x
  2. Step 2: Convert to fraction form
    242,654.87/334,859.18 = 135,222.54/x
  3. Step 3: Cross multiply
    242,654.87x = 334,859.18 × 135,222.54
  4. Step 4: Simplify right side
    242,654.87x = 45,280,508,185.80
  5. Step 5: Solve for x
    x = 45,280,508,185.80/242,654.87
  6. Step 6: Final answer
    x = 186,604.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.