Home / 146,257.56-219,514.32-71,433

Finding the Fourth Proportional to 146,257.56, 219,514.32 and 71,433

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Solution

The fourth proportional to 146,257.56, 219,514.32 and 71,433 is: 107,212.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,257.56 : 219,514.32 = 71,433 : x
  2. Step 2: Convert to fraction form
    146,257.56/219,514.32 = 71,433/x
  3. Step 3: Cross multiply
    146,257.56x = 219,514.32 × 71,433
  4. Step 4: Simplify right side
    146,257.56x = 15,680,566,420.56
  5. Step 5: Solve for x
    x = 15,680,566,420.56/146,257.56
  6. Step 6: Final answer
    x = 107,212.01

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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.