Home / 129,686.31-194,546.48-50,790.29

Finding the Fourth Proportional to 129,686.31, 194,546.48 and 50,790.29

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Solution

The fourth proportional to 129,686.31, 194,546.48 and 50,790.29 is: 76,192.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,686.31 : 194,546.48 = 50,790.29 : x
  2. Step 2: Convert to fraction form
    129,686.31/194,546.48 = 50,790.29/x
  3. Step 3: Cross multiply
    129,686.31x = 194,546.48 × 50,790.29
  4. Step 4: Simplify right side
    129,686.31x = 9,881,070,911.00
  5. Step 5: Solve for x
    x = 9,881,070,911.00/129,686.31
  6. Step 6: Final answer
    x = 76,192.09

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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.