Home / 129,836.06-194,775.62-45,574.36

Finding the Fourth Proportional to 129,836.06, 194,775.62 and 45,574.36

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Solution

The fourth proportional to 129,836.06, 194,775.62 and 45,574.36 is: 68,369.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,836.06 : 194,775.62 = 45,574.36 : x
  2. Step 2: Convert to fraction form
    129,836.06/194,775.62 = 45,574.36/x
  3. Step 3: Cross multiply
    129,836.06x = 194,775.62 × 45,574.36
  4. Step 4: Simplify right side
    129,836.06x = 8,876,773,510.29
  5. Step 5: Solve for x
    x = 8,876,773,510.29/129,836.06
  6. Step 6: Final answer
    x = 68,369.09

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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.