Home / 146,357.10-219,207.60-120,113.10

Finding the Fourth Proportional to 146,357.10, 219,207.60 and 120,113.10

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Solution

The fourth proportional to 146,357.10, 219,207.60 and 120,113.10 is: 179,900.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,357.10 : 219,207.60 = 120,113.10 : x
  2. Step 2: Convert to fraction form
    146,357.10/219,207.60 = 120,113.10/x
  3. Step 3: Cross multiply
    146,357.10x = 219,207.60 × 120,113.10
  4. Step 4: Simplify right side
    146,357.10x = 26,329,704,379.56
  5. Step 5: Solve for x
    x = 26,329,704,379.56/146,357.10
  6. Step 6: Final answer
    x = 179,900.42

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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.