Home / 146,540.95-219,466.96-71,425.69

Finding the Fourth Proportional to 146,540.95, 219,466.96 and 71,425.69

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Solution

The fourth proportional to 146,540.95, 219,466.96 and 71,425.69 is: 106,970.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,540.95 : 219,466.96 = 71,425.69 : x
  2. Step 2: Convert to fraction form
    146,540.95/219,466.96 = 71,425.69/x
  3. Step 3: Cross multiply
    146,540.95x = 219,466.96 × 71,425.69
  4. Step 4: Simplify right side
    146,540.95x = 15,675,579,050.20
  5. Step 5: Solve for x
    x = 15,675,579,050.20/146,540.95
  6. Step 6: Final answer
    x = 106,970.64

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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.