Home / 129,869.40-194,804.10-103,297.35

Finding the Fourth Proportional to 129,869.40, 194,804.10 and 103,297.35

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Solution

The fourth proportional to 129,869.40, 194,804.10 and 103,297.35 is: 154,946.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,869.40 : 194,804.10 = 103,297.35 : x
  2. Step 2: Convert to fraction form
    129,869.40/194,804.10 = 103,297.35/x
  3. Step 3: Cross multiply
    129,869.40x = 194,804.10 × 103,297.35
  4. Step 4: Simplify right side
    129,869.40x = 20,122,747,299.14
  5. Step 5: Solve for x
    x = 20,122,747,299.14/129,869.40
  6. Step 6: Final answer
    x = 154,946.03

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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.