Home / 102,683.41-154,039.74-31,611.97

Finding the Fourth Proportional to 102,683.41, 154,039.74 and 31,611.97

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Solution

The fourth proportional to 102,683.41, 154,039.74 and 31,611.97 is: 47,422.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,683.41 : 154,039.74 = 31,611.97 : x
  2. Step 2: Convert to fraction form
    102,683.41/154,039.74 = 31,611.97/x
  3. Step 3: Cross multiply
    102,683.41x = 154,039.74 × 31,611.97
  4. Step 4: Simplify right side
    102,683.41x = 4,869,499,639.69
  5. Step 5: Solve for x
    x = 4,869,499,639.69/102,683.41
  6. Step 6: Final answer
    x = 47,422.46

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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.