Home / 129,516.14-194,111.04-69,395.52

Finding the Fourth Proportional to 129,516.14, 194,111.04 and 69,395.52

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Solution

The fourth proportional to 129,516.14, 194,111.04 and 69,395.52 is: 104,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,516.14 : 194,111.04 = 69,395.52 : x
  2. Step 2: Convert to fraction form
    129,516.14/194,111.04 = 69,395.52/x
  3. Step 3: Cross multiply
    129,516.14x = 194,111.04 × 69,395.52
  4. Step 4: Simplify right side
    129,516.14x = 13,470,436,558.54
  5. Step 5: Solve for x
    x = 13,470,436,558.54/129,516.14
  6. Step 6: Final answer
    x = 104,005.85

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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.