Home / 148,203.54-204,521.41-80,221.32

Finding the Fourth Proportional to 148,203.54, 204,521.41 and 80,221.32

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Solution

The fourth proportional to 148,203.54, 204,521.41 and 80,221.32 is: 110,705.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,203.54 : 204,521.41 = 80,221.32 : x
  2. Step 2: Convert to fraction form
    148,203.54/204,521.41 = 80,221.32/x
  3. Step 3: Cross multiply
    148,203.54x = 204,521.41 × 80,221.32
  4. Step 4: Simplify right side
    148,203.54x = 16,406,977,990.32
  5. Step 5: Solve for x
    x = 16,406,977,990.32/148,203.54
  6. Step 6: Final answer
    x = 110,705.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.