Home / 129,859.45-194,807.40-41,103.70

Finding the Fourth Proportional to 129,859.45, 194,807.40 and 41,103.70

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Solution

The fourth proportional to 129,859.45, 194,807.40 and 41,103.70 is: 61,661.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,859.45 : 194,807.40 = 41,103.70 : x
  2. Step 2: Convert to fraction form
    129,859.45/194,807.40 = 41,103.70/x
  3. Step 3: Cross multiply
    129,859.45x = 194,807.40 × 41,103.70
  4. Step 4: Simplify right side
    129,859.45x = 8,007,304,927.38
  5. Step 5: Solve for x
    x = 8,007,304,927.38/129,859.45
  6. Step 6: Final answer
    x = 61,661.32

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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.