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Finding the Fourth Proportional to 74,172.96, 111,260 and 24,924.96

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Solution

The fourth proportional to 74,172.96, 111,260 and 24,924.96 is: 37,387.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,172.96 : 111,260 = 24,924.96 : x
  2. Step 2: Convert to fraction form
    74,172.96/111,260 = 24,924.96/x
  3. Step 3: Cross multiply
    74,172.96x = 111,260 × 24,924.96
  4. Step 4: Simplify right side
    74,172.96x = 2,773,151,049.60
  5. Step 5: Solve for x
    x = 2,773,151,049.60/74,172.96
  6. Step 6: Final answer
    x = 37,387.63

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1.5x scale

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.