Home / 136,063.14-187,797.60-75,654.96

Finding the Fourth Proportional to 136,063.14, 187,797.60 and 75,654.96

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Solution

The fourth proportional to 136,063.14, 187,797.60 and 75,654.96 is: 104,420.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,063.14 : 187,797.60 = 75,654.96 : x
  2. Step 2: Convert to fraction form
    136,063.14/187,797.60 = 75,654.96/x
  3. Step 3: Cross multiply
    136,063.14x = 187,797.60 × 75,654.96
  4. Step 4: Simplify right side
    136,063.14x = 14,207,819,916.10
  5. Step 5: Solve for x
    x = 14,207,819,916.10/136,063.14
  6. Step 6: Final answer
    x = 104,420.79

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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.