Home / 161,110.62-241,745.31-72,428.58

Finding the Fourth Proportional to 161,110.62, 241,745.31 and 72,428.58

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Solution

The fourth proportional to 161,110.62, 241,745.31 and 72,428.58 is: 108,678.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,110.62 : 241,745.31 = 72,428.58 : x
  2. Step 2: Convert to fraction form
    161,110.62/241,745.31 = 72,428.58/x
  3. Step 3: Cross multiply
    161,110.62x = 241,745.31 × 72,428.58
  4. Step 4: Simplify right side
    161,110.62x = 17,509,269,524.96
  5. Step 5: Solve for x
    x = 17,509,269,524.96/161,110.62
  6. Step 6: Final answer
    x = 108,678.56

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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.