Home / 147,521.82-221,370.24-138,181.52

Finding the Fourth Proportional to 147,521.82, 221,370.24 and 138,181.52

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Solution

The fourth proportional to 147,521.82, 221,370.24 and 138,181.52 is: 207,354.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,521.82 : 221,370.24 = 138,181.52 : x
  2. Step 2: Convert to fraction form
    147,521.82/221,370.24 = 138,181.52/x
  3. Step 3: Cross multiply
    147,521.82x = 221,370.24 × 138,181.52
  4. Step 4: Simplify right side
    147,521.82x = 30,589,276,245.96
  5. Step 5: Solve for x
    x = 30,589,276,245.96/147,521.82
  6. Step 6: Final answer
    x = 207,354.25

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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.