Home / 122,683.98-183,916.76-47,786.64

Finding the Fourth Proportional to 122,683.98, 183,916.76 and 47,786.64

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Solution

The fourth proportional to 122,683.98, 183,916.76 and 47,786.64 is: 71,637.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,683.98 : 183,916.76 = 47,786.64 : x
  2. Step 2: Convert to fraction form
    122,683.98/183,916.76 = 47,786.64/x
  3. Step 3: Cross multiply
    122,683.98x = 183,916.76 × 47,786.64
  4. Step 4: Simplify right side
    122,683.98x = 8,788,764,000.09
  5. Step 5: Solve for x
    x = 8,788,764,000.09/122,683.98
  6. Step 6: Final answer
    x = 71,637.42

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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.