Home / 146,245.58-219,340.62-71,290.34

Finding the Fourth Proportional to 146,245.58, 219,340.62 and 71,290.34

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Solution

The fourth proportional to 146,245.58, 219,340.62 and 71,290.34 is: 106,921.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,245.58 : 219,340.62 = 71,290.34 : x
  2. Step 2: Convert to fraction form
    146,245.58/219,340.62 = 71,290.34/x
  3. Step 3: Cross multiply
    146,245.58x = 219,340.62 × 71,290.34
  4. Step 4: Simplify right side
    146,245.58x = 15,636,866,278.91
  5. Step 5: Solve for x
    x = 15,636,866,278.91/146,245.58
  6. Step 6: Final answer
    x = 106,921.98

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1.5x scale

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.