Home / 146,213.83-219,341.67-45,020.45

Finding the Fourth Proportional to 146,213.83, 219,341.67 and 45,020.45

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Solution

The fourth proportional to 146,213.83, 219,341.67 and 45,020.45 is: 67,537.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,213.83 : 219,341.67 = 45,020.45 : x
  2. Step 2: Convert to fraction form
    146,213.83/219,341.67 = 45,020.45/x
  3. Step 3: Cross multiply
    146,213.83x = 219,341.67 × 45,020.45
  4. Step 4: Simplify right side
    146,213.83x = 9,874,860,687.15
  5. Step 5: Solve for x
    x = 9,874,860,687.15/146,213.83
  6. Step 6: Final answer
    x = 67,537.12

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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.