Home / 74,181.42-110,732.52-68,699.34

Finding the Fourth Proportional to 74,181.42, 110,732.52 and 68,699.34

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Solution

The fourth proportional to 74,181.42, 110,732.52 and 68,699.34 is: 102,549.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,181.42 : 110,732.52 = 68,699.34 : x
  2. Step 2: Convert to fraction form
    74,181.42/110,732.52 = 68,699.34/x
  3. Step 3: Cross multiply
    74,181.42x = 110,732.52 × 68,699.34
  4. Step 4: Simplify right side
    74,181.42x = 7,607,251,040.54
  5. Step 5: Solve for x
    x = 7,607,251,040.54/74,181.42
  6. Step 6: Final answer
    x = 102,549.28

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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.