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Finding the Fourth Proportional to 73,597.48, 109,830.22 and 73,176.48

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Solution

The fourth proportional to 73,597.48, 109,830.22 and 73,176.48 is: 109,201.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,597.48 : 109,830.22 = 73,176.48 : x
  2. Step 2: Convert to fraction form
    73,597.48/109,830.22 = 73,176.48/x
  3. Step 3: Cross multiply
    73,597.48x = 109,830.22 × 73,176.48
  4. Step 4: Simplify right side
    73,597.48x = 8,036,988,531.34
  5. Step 5: Solve for x
    x = 8,036,988,531.34/73,597.48
  6. Step 6: Final answer
    x = 109,201.96

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.