Home / 146,138.12-219,181.96-40,932.08

Finding the Fourth Proportional to 146,138.12, 219,181.96 and 40,932.08

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Solution

The fourth proportional to 146,138.12, 219,181.96 and 40,932.08 is: 61,391.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,138.12 : 219,181.96 = 40,932.08 : x
  2. Step 2: Convert to fraction form
    146,138.12/219,181.96 = 40,932.08/x
  3. Step 3: Cross multiply
    146,138.12x = 219,181.96 × 40,932.08
  4. Step 4: Simplify right side
    146,138.12x = 8,971,573,521.28
  5. Step 5: Solve for x
    x = 8,971,573,521.28/146,138.12
  6. Step 6: Final answer
    x = 61,391.06

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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.