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Finding the Fourth Proportional to 124.98, 172.56 and 95.94

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Solution

The fourth proportional to 124.98, 172.56 and 95.94 is: 132.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    124.98 : 172.56 = 95.94 : x
  2. Step 2: Convert to fraction form
    124.98/172.56 = 95.94/x
  3. Step 3: Cross multiply
    124.98x = 172.56 × 95.94
  4. Step 4: Simplify right side
    124.98x = 16,555.41
  5. Step 5: Solve for x
    x = 16,555.41/124.98
  6. Step 6: Final answer
    x = 132.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.