Home / 129,686.66-194,474.90-50,788.34

Finding the Fourth Proportional to 129,686.66, 194,474.90 and 50,788.34

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Solution

The fourth proportional to 129,686.66, 194,474.90 and 50,788.34 is: 76,160.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,686.66 : 194,474.90 = 50,788.34 : x
  2. Step 2: Convert to fraction form
    129,686.66/194,474.90 = 50,788.34/x
  3. Step 3: Cross multiply
    129,686.66x = 194,474.90 × 50,788.34
  4. Step 4: Simplify right side
    129,686.66x = 9,877,056,370.29
  5. Step 5: Solve for x
    x = 9,877,056,370.29/129,686.66
  6. Step 6: Final answer
    x = 76,160.93

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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.