Home / 161,745.30-222,205.37-133,362.90

Finding the Fourth Proportional to 161,745.30, 222,205.37 and 133,362.90

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Solution

The fourth proportional to 161,745.30, 222,205.37 and 133,362.90 is: 183,213.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,745.30 : 222,205.37 = 133,362.90 : x
  2. Step 2: Convert to fraction form
    161,745.30/222,205.37 = 133,362.90/x
  3. Step 3: Cross multiply
    161,745.30x = 222,205.37 × 133,362.90
  4. Step 4: Simplify right side
    161,745.30x = 29,633,952,538.77
  5. Step 5: Solve for x
    x = 29,633,952,538.77/161,745.30
  6. Step 6: Final answer
    x = 183,213.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.